mirror of
https://github.com/xzeldon/htop.git
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1282 lines
46 KiB
C
1282 lines
46 KiB
C
/*
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htop - Process.c
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(C) 2004-2015 Hisham H. Muhammad
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(C) 2020 Red Hat, Inc. All Rights Reserved.
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Released under the GNU GPLv2+, see the COPYING file
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in the source distribution for its full text.
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*/
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#include "config.h" // IWYU pragma: keep
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#include "Process.h"
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#include <assert.h>
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#include <limits.h>
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#include <math.h>
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#include <signal.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#include <sys/resource.h>
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#include "CRT.h"
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#include "Macros.h"
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#include "Platform.h"
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#include "ProcessList.h"
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#include "DynamicColumn.h"
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#include "RichString.h"
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#include "Settings.h"
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#include "XUtils.h"
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#if defined(MAJOR_IN_MKDEV)
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#include <sys/mkdev.h>
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#endif
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/* Used to identify kernel threads in Comm and Exe columns */
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static const char* const kthreadID = "KTHREAD";
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static uid_t Process_getuid = (uid_t)-1;
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int Process_pidDigits = PROCESS_MIN_PID_DIGITS;
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int Process_uidDigits = PROCESS_MIN_UID_DIGITS;
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void Process_setupColumnWidths() {
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int maxPid = Platform_getMaxPid();
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if (maxPid == -1)
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return;
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if (maxPid < (int)pow(10, PROCESS_MIN_PID_DIGITS)) {
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Process_pidDigits = PROCESS_MIN_PID_DIGITS;
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return;
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}
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Process_pidDigits = (int)log10(maxPid) + 1;
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assert(Process_pidDigits <= PROCESS_MAX_PID_DIGITS);
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}
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void Process_setUidColumnWidth(uid_t maxUid) {
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if (maxUid < (uid_t)pow(10, PROCESS_MIN_UID_DIGITS)) {
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Process_uidDigits = PROCESS_MIN_UID_DIGITS;
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return;
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}
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Process_uidDigits = (int)log10(maxUid) + 1;
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assert(Process_uidDigits <= PROCESS_MAX_UID_DIGITS);
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}
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void Process_printBytes(RichString* str, unsigned long long number, bool coloring) {
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char buffer[16];
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int len;
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int largeNumberColor = coloring ? CRT_colors[LARGE_NUMBER] : CRT_colors[PROCESS];
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int processMegabytesColor = coloring ? CRT_colors[PROCESS_MEGABYTES] : CRT_colors[PROCESS];
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int processGigabytesColor = coloring ? CRT_colors[PROCESS_GIGABYTES] : CRT_colors[PROCESS];
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int shadowColor = coloring ? CRT_colors[PROCESS_SHADOW] : CRT_colors[PROCESS];
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int processColor = CRT_colors[PROCESS];
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if (number == ULLONG_MAX) {
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//Invalid number
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RichString_appendAscii(str, shadowColor, " N/A ");
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return;
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}
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number /= ONE_K;
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if (number < 1000) {
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//Plain number, no markings
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len = xSnprintf(buffer, sizeof(buffer), "%5llu ", number);
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RichString_appendnAscii(str, processColor, buffer, len);
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} else if (number < 100000) {
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//2 digit MB, 3 digit KB
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len = xSnprintf(buffer, sizeof(buffer), "%2llu", number / 1000);
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RichString_appendnAscii(str, processMegabytesColor, buffer, len);
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number %= 1000;
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len = xSnprintf(buffer, sizeof(buffer), "%03llu ", number);
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RichString_appendnAscii(str, processColor, buffer, len);
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} else if (number < 1000 * ONE_K) {
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//3 digit MB
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number /= ONE_K;
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len = xSnprintf(buffer, sizeof(buffer), "%4lluM ", number);
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RichString_appendnAscii(str, processMegabytesColor, buffer, len);
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} else if (number < 10000 * ONE_K) {
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//1 digit GB, 3 digit MB
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number /= ONE_K;
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len = xSnprintf(buffer, sizeof(buffer), "%1llu", number / 1000);
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RichString_appendnAscii(str, processGigabytesColor, buffer, len);
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number %= 1000;
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len = xSnprintf(buffer, sizeof(buffer), "%03lluM ", number);
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RichString_appendnAscii(str, processMegabytesColor, buffer, len);
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} else if (number < 100000 * ONE_K) {
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//2 digit GB, 1 digit MB
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number /= 100 * ONE_K;
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len = xSnprintf(buffer, sizeof(buffer), "%2llu", number / 10);
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RichString_appendnAscii(str, processGigabytesColor, buffer, len);
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number %= 10;
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len = xSnprintf(buffer, sizeof(buffer), ".%1llu", number);
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RichString_appendnAscii(str, processMegabytesColor, buffer, len);
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RichString_appendAscii(str, processGigabytesColor, "G ");
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} else if (number < 1000 * ONE_M) {
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//3 digit GB
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number /= ONE_M;
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len = xSnprintf(buffer, sizeof(buffer), "%4lluG ", number);
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RichString_appendnAscii(str, processGigabytesColor, buffer, len);
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} else if (number < 10000ULL * ONE_M) {
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//1 digit TB, 3 digit GB
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number /= ONE_M;
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len = xSnprintf(buffer, sizeof(buffer), "%1llu", number / 1000);
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RichString_appendnAscii(str, largeNumberColor, buffer, len);
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number %= 1000;
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len = xSnprintf(buffer, sizeof(buffer), "%03lluG ", number);
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RichString_appendnAscii(str, processGigabytesColor, buffer, len);
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} else if (number < 100000 * ONE_M) {
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//2 digit TB, 1 digit GB
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number /= 100 * ONE_M;
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len = xSnprintf(buffer, sizeof(buffer), "%2llu", number / 10);
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RichString_appendnAscii(str, largeNumberColor, buffer, len);
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number %= 10;
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len = xSnprintf(buffer, sizeof(buffer), ".%1llu", number);
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RichString_appendnAscii(str, processGigabytesColor, buffer, len);
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RichString_appendAscii(str, largeNumberColor, "T ");
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} else if (number < 10000ULL * ONE_G) {
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//3 digit TB or 1 digit PB, 3 digit TB
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number /= ONE_G;
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len = xSnprintf(buffer, sizeof(buffer), "%4lluT ", number);
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RichString_appendnAscii(str, largeNumberColor, buffer, len);
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} else {
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//2 digit PB and above
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len = xSnprintf(buffer, sizeof(buffer), "%4.1lfP ", (double)number / ONE_T);
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RichString_appendnAscii(str, largeNumberColor, buffer, len);
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}
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}
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void Process_printKBytes(RichString* str, unsigned long long number, bool coloring) {
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if (number == ULLONG_MAX)
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Process_printBytes(str, ULLONG_MAX, coloring);
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else
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Process_printBytes(str, number * ONE_K, coloring);
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}
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void Process_printCount(RichString* str, unsigned long long number, bool coloring) {
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char buffer[13];
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int largeNumberColor = coloring ? CRT_colors[LARGE_NUMBER] : CRT_colors[PROCESS];
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int processMegabytesColor = coloring ? CRT_colors[PROCESS_MEGABYTES] : CRT_colors[PROCESS];
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int processColor = CRT_colors[PROCESS];
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int processShadowColor = coloring ? CRT_colors[PROCESS_SHADOW] : CRT_colors[PROCESS];
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if (number == ULLONG_MAX) {
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RichString_appendAscii(str, CRT_colors[PROCESS_SHADOW], " N/A ");
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} else if (number >= 100000LL * ONE_DECIMAL_T) {
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xSnprintf(buffer, sizeof(buffer), "%11llu ", number / ONE_DECIMAL_G);
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RichString_appendnAscii(str, largeNumberColor, buffer, 12);
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} else if (number >= 100LL * ONE_DECIMAL_T) {
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xSnprintf(buffer, sizeof(buffer), "%11llu ", number / ONE_DECIMAL_M);
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RichString_appendnAscii(str, largeNumberColor, buffer, 8);
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RichString_appendnAscii(str, processMegabytesColor, buffer + 8, 4);
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} else if (number >= 10LL * ONE_DECIMAL_G) {
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xSnprintf(buffer, sizeof(buffer), "%11llu ", number / ONE_DECIMAL_K);
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RichString_appendnAscii(str, largeNumberColor, buffer, 5);
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RichString_appendnAscii(str, processMegabytesColor, buffer + 5, 3);
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RichString_appendnAscii(str, processColor, buffer + 8, 4);
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} else {
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xSnprintf(buffer, sizeof(buffer), "%11llu ", number);
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RichString_appendnAscii(str, largeNumberColor, buffer, 2);
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RichString_appendnAscii(str, processMegabytesColor, buffer + 2, 3);
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RichString_appendnAscii(str, processColor, buffer + 5, 3);
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RichString_appendnAscii(str, processShadowColor, buffer + 8, 4);
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}
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}
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void Process_printTime(RichString* str, unsigned long long totalHundredths, bool coloring) {
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char buffer[10];
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int len;
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unsigned long long totalSeconds = totalHundredths / 100;
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unsigned long long hours = totalSeconds / 3600;
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unsigned long long days = totalSeconds / 86400;
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int minutes = (totalSeconds / 60) % 60;
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int seconds = totalSeconds % 60;
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int hundredths = totalHundredths - (totalSeconds * 100);
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int yearColor = coloring ? CRT_colors[LARGE_NUMBER] : CRT_colors[PROCESS];
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int dayColor = coloring ? CRT_colors[PROCESS_GIGABYTES] : CRT_colors[PROCESS];
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int hourColor = coloring ? CRT_colors[PROCESS_MEGABYTES] : CRT_colors[PROCESS];
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int defColor = CRT_colors[PROCESS];
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if (days >= /* Ignore leapyears */365) {
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int years = days / 365;
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int daysLeft = days - 365 * years;
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if (years >= 10000000) {
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RichString_appendnAscii(str, yearColor, "eternity ", 9);
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} else if (years >= 1000) {
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len = xSnprintf(buffer, sizeof(buffer), "%7dy ", years);
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RichString_appendnAscii(str, yearColor, buffer, len);
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} else if (daysLeft >= 100) {
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len = xSnprintf(buffer, sizeof(buffer), "%3dy", years);
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RichString_appendnAscii(str, yearColor, buffer, len);
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len = xSnprintf(buffer, sizeof(buffer), "%3dd ", daysLeft);
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RichString_appendnAscii(str, dayColor, buffer, len);
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} else if (daysLeft >= 10) {
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len = xSnprintf(buffer, sizeof(buffer), "%4dy", years);
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RichString_appendnAscii(str, yearColor, buffer, len);
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len = xSnprintf(buffer, sizeof(buffer), "%2dd ", daysLeft);
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RichString_appendnAscii(str, dayColor, buffer, len);
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} else {
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len = xSnprintf(buffer, sizeof(buffer), "%5dy", years);
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RichString_appendnAscii(str, yearColor, buffer, len);
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len = xSnprintf(buffer, sizeof(buffer), "%1dd ", daysLeft);
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RichString_appendnAscii(str, dayColor, buffer, len);
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}
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} else if (days >= 100) {
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int hoursLeft = hours - days * 24;
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if (hoursLeft >= 10) {
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len = xSnprintf(buffer, sizeof(buffer), "%4llud", days);
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RichString_appendnAscii(str, dayColor, buffer, len);
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len = xSnprintf(buffer, sizeof(buffer), "%2dh ", hoursLeft);
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RichString_appendnAscii(str, hourColor, buffer, len);
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} else {
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len = xSnprintf(buffer, sizeof(buffer), "%5llud", days);
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RichString_appendnAscii(str, dayColor, buffer, len);
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len = xSnprintf(buffer, sizeof(buffer), "%1dh ", hoursLeft);
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RichString_appendnAscii(str, hourColor, buffer, len);
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}
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} else if (hours >= 100) {
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int minutesLeft = totalSeconds / 60 - hours * 60;
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if (minutesLeft >= 10) {
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len = xSnprintf(buffer, sizeof(buffer), "%4lluh", hours);
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RichString_appendnAscii(str, hourColor, buffer, len);
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len = xSnprintf(buffer, sizeof(buffer), "%2dm ", minutesLeft);
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RichString_appendnAscii(str, defColor, buffer, len);
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} else {
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len = xSnprintf(buffer, sizeof(buffer), "%5lluh", hours);
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RichString_appendnAscii(str, hourColor, buffer, len);
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len = xSnprintf(buffer, sizeof(buffer), "%1dm ", minutesLeft);
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RichString_appendnAscii(str, defColor, buffer, len);
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}
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} else if (hours > 0) {
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len = xSnprintf(buffer, sizeof(buffer), "%2lluh", hours);
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RichString_appendnAscii(str, hourColor, buffer, len);
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len = xSnprintf(buffer, sizeof(buffer), "%02d:%02d ", minutes, seconds);
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RichString_appendnAscii(str, defColor, buffer, len);
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} else {
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len = xSnprintf(buffer, sizeof(buffer), "%2d:%02d.%02d ", minutes, seconds, hundredths);
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RichString_appendnAscii(str, defColor, buffer, len);
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}
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}
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void Process_fillStarttimeBuffer(Process* this) {
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struct tm date;
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(void) localtime_r(&this->starttime_ctime, &date);
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strftime(this->starttime_show, sizeof(this->starttime_show) - 1, (this->starttime_ctime > (time(NULL) - 86400)) ? "%R " : "%b%d ", &date);
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}
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/*
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* TASK_COMM_LEN is defined to be 16 for /proc/[pid]/comm in man proc(5), but it is
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* not available in an userspace header - so define it.
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*
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* Note: This is taken from LINUX headers, but implicitly taken for other platforms
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* for sake of brevity.
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*
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* Note: when colorizing a basename with the comm prefix, the entire basename
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* (not just the comm prefix) is colorized for better readability, and it is
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* implicit that only upto (TASK_COMM_LEN - 1) could be comm.
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*/
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#define TASK_COMM_LEN 16
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static bool findCommInCmdline(const char* comm, const char* cmdline, int cmdlineBasenameStart, int* pCommStart, int* pCommEnd) {
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/* Try to find procComm in tokenized cmdline - this might in rare cases
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* mis-identify a string or fail, if comm or cmdline had been unsuitably
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* modified by the process */
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const char* tokenBase;
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size_t tokenLen;
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const size_t commLen = strlen(comm);
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if (cmdlineBasenameStart < 0)
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return false;
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for (const char* token = cmdline + cmdlineBasenameStart; *token;) {
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for (tokenBase = token; *token && *token != '\n'; ++token) {
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if (*token == '/') {
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tokenBase = token + 1;
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}
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}
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tokenLen = token - tokenBase;
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if ((tokenLen == commLen || (tokenLen > commLen && commLen == (TASK_COMM_LEN - 1))) &&
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strncmp(tokenBase, comm, commLen) == 0) {
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*pCommStart = tokenBase - cmdline;
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*pCommEnd = token - cmdline;
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return true;
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}
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if (*token) {
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do {
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++token;
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} while (*token && '\n' == *token);
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}
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}
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return false;
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}
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static int matchCmdlinePrefixWithExeSuffix(const char* cmdline, int cmdlineBaseOffset, const char* exe, int exeBaseOffset, int exeBaseLen) {
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int matchLen; /* matching length to be returned */
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char delim; /* delimiter following basename */
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/* cmdline prefix is an absolute path: it must match whole exe. */
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if (cmdline[0] == '/') {
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matchLen = exeBaseLen + exeBaseOffset;
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if (strncmp(cmdline, exe, matchLen) == 0) {
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delim = cmdline[matchLen];
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if (delim == 0 || delim == '\n' || delim == ' ') {
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return matchLen;
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}
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}
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return 0;
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}
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/* cmdline prefix is a relative path: We need to first match the basename at
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* cmdlineBaseOffset and then reverse match the cmdline prefix with the exe
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* suffix. But there is a catch: Some processes modify their cmdline in ways
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* that make htop's identification of the basename in cmdline unreliable.
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* For e.g. /usr/libexec/gdm-session-worker modifies its cmdline to
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* "gdm-session-worker [pam/gdm-autologin]" and htop ends up with
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* proccmdlineBasenameEnd at "gdm-autologin]". This issue could arise with
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* chrome as well as it stores in cmdline its concatenated argument vector,
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* without NUL delimiter between the arguments (which may contain a '/')
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*
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* So if needed, we adjust cmdlineBaseOffset to the previous (if any)
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* component of the cmdline relative path, and retry the procedure. */
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bool delimFound; /* if valid basename delimiter found */
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do {
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/* match basename */
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matchLen = exeBaseLen + cmdlineBaseOffset;
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if (cmdlineBaseOffset < exeBaseOffset &&
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strncmp(cmdline + cmdlineBaseOffset, exe + exeBaseOffset, exeBaseLen) == 0) {
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delim = cmdline[matchLen];
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if (delim == 0 || delim == '\n' || delim == ' ') {
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int i, j;
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/* reverse match the cmdline prefix and exe suffix */
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for (i = cmdlineBaseOffset - 1, j = exeBaseOffset - 1;
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i >= 0 && j >= 0 && cmdline[i] == exe[j]; --i, --j)
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;
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/* full match, with exe suffix being a valid relative path */
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if (i < 0 && j >= 0 && exe[j] == '/')
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return matchLen;
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}
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}
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/* Try to find the previous potential cmdlineBaseOffset - it would be
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* preceded by '/' or nothing, and delimited by ' ' or '\n' */
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for (delimFound = false, cmdlineBaseOffset -= 2; cmdlineBaseOffset > 0; --cmdlineBaseOffset) {
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if (delimFound) {
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if (cmdline[cmdlineBaseOffset - 1] == '/') {
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break;
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}
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} else if (cmdline[cmdlineBaseOffset] == ' ' || cmdline[cmdlineBaseOffset] == '\n') {
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delimFound = true;
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}
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}
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} while (delimFound);
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return 0;
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}
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/* stpcpy, but also converts newlines to spaces */
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static inline char* stpcpyWithNewlineConversion(char* dstStr, const char* srcStr) {
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for (; *srcStr; ++srcStr) {
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*dstStr++ = (*srcStr == '\n') ? ' ' : *srcStr;
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}
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*dstStr = 0;
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return dstStr;
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}
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/*
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* This function makes the merged Command string. It also stores the offsets of the
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* basename, comm w.r.t the merged Command string - these offsets will be used by
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* Process_writeCommand() for coloring. The merged Command string is also
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* returned by Process_getCommand() for searching, sorting and filtering.
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*/
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void Process_makeCommandStr(Process* this) {
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ProcessMergedCommand* mc = &this->mergedCommand;
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const Settings* settings = this->settings;
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bool showMergedCommand = settings->showMergedCommand;
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bool showProgramPath = settings->showProgramPath;
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bool searchCommInCmdline = settings->findCommInCmdline;
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bool stripExeFromCmdline = settings->stripExeFromCmdline;
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bool showThreadNames = settings->showThreadNames;
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uint64_t settingsStamp = settings->lastUpdate;
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/* Nothing to do to (Re)Generate the Command string, if the process is:
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* - a kernel thread, or
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* - a zombie from before being under htop's watch, or
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* - a user thread and showThreadNames is not set */
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if (Process_isKernelThread(this))
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return;
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if (this->state == ZOMBIE && !this->mergedCommand.str)
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return;
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/* this->mergedCommand.str needs updating only if its state or contents changed.
|
|
* Its content is based on the fields cmdline, comm, and exe. */
|
|
if (mc->lastUpdate >= settingsStamp)
|
|
return;
|
|
|
|
mc->lastUpdate = settingsStamp;
|
|
|
|
/* The field separtor "│" has been chosen such that it will not match any
|
|
* valid string used for searching or filtering */
|
|
const char* SEPARATOR = CRT_treeStr[TREE_STR_VERT];
|
|
const int SEPARATOR_LEN = strlen(SEPARATOR);
|
|
|
|
/* Accommodate the column text, two field separators and terminating NUL */
|
|
size_t maxLen = 2 * SEPARATOR_LEN + 1;
|
|
maxLen += this->cmdline ? strlen(this->cmdline) : strlen("(zombie)");
|
|
maxLen += this->procComm ? strlen(this->procComm) : 0;
|
|
maxLen += this->procExe ? strlen(this->procExe) : 0;
|
|
|
|
free(mc->str);
|
|
mc->str = xCalloc(1, maxLen);
|
|
|
|
/* Reset all locations that need extra handling when actually displaying */
|
|
mc->highlightCount = 0;
|
|
memset(mc->highlights, 0, sizeof(mc->highlights));
|
|
|
|
size_t mbMismatch = 0;
|
|
#define WRITE_HIGHLIGHT(_offset, _length, _attr, _flags) \
|
|
do { \
|
|
/* Check if we still have capacity */ \
|
|
assert(mc->highlightCount < ARRAYSIZE(mc->highlights)); \
|
|
if (mc->highlightCount >= ARRAYSIZE(mc->highlights)) \
|
|
break; \
|
|
\
|
|
mc->highlights[mc->highlightCount].offset = str - strStart + (_offset) - mbMismatch; \
|
|
mc->highlights[mc->highlightCount].length = _length; \
|
|
mc->highlights[mc->highlightCount].attr = _attr; \
|
|
mc->highlights[mc->highlightCount].flags = _flags; \
|
|
mc->highlightCount++; \
|
|
} while (0)
|
|
|
|
#define WRITE_SEPARATOR \
|
|
do { \
|
|
WRITE_HIGHLIGHT(0, 1, CRT_colors[FAILED_READ], CMDLINE_HIGHLIGHT_FLAG_SEPARATOR); \
|
|
mbMismatch += SEPARATOR_LEN - 1; \
|
|
str = stpcpy(str, SEPARATOR); \
|
|
} while (0)
|
|
|
|
const int baseAttr = Process_isThread(this) ? CRT_colors[PROCESS_THREAD_BASENAME] : CRT_colors[PROCESS_BASENAME];
|
|
const int commAttr = Process_isThread(this) ? CRT_colors[PROCESS_THREAD_COMM] : CRT_colors[PROCESS_COMM];
|
|
const int delExeAttr = CRT_colors[FAILED_READ];
|
|
const int delLibAttr = CRT_colors[PROCESS_TAG];
|
|
|
|
/* Establish some shortcuts to data we need */
|
|
const char* cmdline = this->cmdline;
|
|
const char* procComm = this->procComm;
|
|
const char* procExe = this->procExe;
|
|
|
|
char* strStart = mc->str;
|
|
char* str = strStart;
|
|
|
|
int cmdlineBasenameStart = this->cmdlineBasenameStart;
|
|
int cmdlineBasenameEnd = this->cmdlineBasenameEnd;
|
|
|
|
if (!cmdline) {
|
|
cmdlineBasenameStart = 0;
|
|
cmdlineBasenameEnd = 0;
|
|
cmdline = "(zombie)";
|
|
}
|
|
|
|
assert(cmdlineBasenameStart >= 0);
|
|
assert(cmdlineBasenameStart <= (int)strlen(cmdline));
|
|
|
|
if (!showMergedCommand || !procExe || !procComm) { /* fall back to cmdline */
|
|
if ((showMergedCommand || (Process_isUserlandThread(this) && showThreadNames)) && procComm && strlen(procComm)) { /* set column to or prefix it with comm */
|
|
if (strncmp(cmdline + cmdlineBasenameStart, procComm, MINIMUM(TASK_COMM_LEN - 1, strlen(procComm))) != 0) {
|
|
WRITE_HIGHLIGHT(0, strlen(procComm), commAttr, CMDLINE_HIGHLIGHT_FLAG_COMM);
|
|
str = stpcpy(str, procComm);
|
|
|
|
if(!showMergedCommand)
|
|
return;
|
|
|
|
WRITE_SEPARATOR;
|
|
}
|
|
}
|
|
|
|
if (cmdlineBasenameEnd > cmdlineBasenameStart)
|
|
WRITE_HIGHLIGHT(showProgramPath ? cmdlineBasenameStart : 0, cmdlineBasenameEnd - cmdlineBasenameStart, baseAttr, CMDLINE_HIGHLIGHT_FLAG_BASENAME);
|
|
|
|
if (this->procExeDeleted)
|
|
WRITE_HIGHLIGHT(showProgramPath ? cmdlineBasenameStart : 0, cmdlineBasenameEnd - cmdlineBasenameStart, delExeAttr, CMDLINE_HIGHLIGHT_FLAG_DELETED);
|
|
else if (this->usesDeletedLib)
|
|
WRITE_HIGHLIGHT(showProgramPath ? cmdlineBasenameStart : 0, cmdlineBasenameEnd - cmdlineBasenameStart, delLibAttr, CMDLINE_HIGHLIGHT_FLAG_DELETED);
|
|
|
|
(void)stpcpyWithNewlineConversion(str, cmdline + (showProgramPath ? 0 : cmdlineBasenameStart));
|
|
|
|
return;
|
|
}
|
|
|
|
int exeLen = strlen(this->procExe);
|
|
int exeBasenameOffset = this->procExeBasenameOffset;
|
|
int exeBasenameLen = exeLen - exeBasenameOffset;
|
|
|
|
assert(exeBasenameOffset >= 0);
|
|
assert(exeBasenameOffset <= (int)strlen(procExe));
|
|
|
|
bool haveCommInExe = false;
|
|
if (procExe && procComm && (!Process_isUserlandThread(this) || showThreadNames)) {
|
|
haveCommInExe = strncmp(procExe + exeBasenameOffset, procComm, TASK_COMM_LEN - 1) == 0;
|
|
}
|
|
|
|
/* Start with copying exe */
|
|
if (showProgramPath) {
|
|
if (haveCommInExe)
|
|
WRITE_HIGHLIGHT(exeBasenameOffset, exeBasenameLen, commAttr, CMDLINE_HIGHLIGHT_FLAG_COMM);
|
|
WRITE_HIGHLIGHT(exeBasenameOffset, exeBasenameLen, baseAttr, CMDLINE_HIGHLIGHT_FLAG_BASENAME);
|
|
if (this->procExeDeleted)
|
|
WRITE_HIGHLIGHT(exeBasenameOffset, exeBasenameLen, delExeAttr, CMDLINE_HIGHLIGHT_FLAG_DELETED);
|
|
else if (this->usesDeletedLib)
|
|
WRITE_HIGHLIGHT(exeBasenameOffset, exeBasenameLen, delLibAttr, CMDLINE_HIGHLIGHT_FLAG_DELETED);
|
|
str = stpcpy(str, procExe);
|
|
} else {
|
|
if (haveCommInExe)
|
|
WRITE_HIGHLIGHT(0, exeBasenameLen, commAttr, CMDLINE_HIGHLIGHT_FLAG_COMM);
|
|
WRITE_HIGHLIGHT(0, exeBasenameLen, baseAttr, CMDLINE_HIGHLIGHT_FLAG_BASENAME);
|
|
if (this->procExeDeleted)
|
|
WRITE_HIGHLIGHT(0, exeBasenameLen, delExeAttr, CMDLINE_HIGHLIGHT_FLAG_DELETED);
|
|
else if (this->usesDeletedLib)
|
|
WRITE_HIGHLIGHT(0, exeBasenameLen, delLibAttr, CMDLINE_HIGHLIGHT_FLAG_DELETED);
|
|
str = stpcpy(str, procExe + exeBasenameOffset);
|
|
}
|
|
|
|
bool haveCommInCmdline = false;
|
|
int commStart = 0;
|
|
int commEnd = 0;
|
|
|
|
/* Try to match procComm with procExe's basename: This is reliable (predictable) */
|
|
if (searchCommInCmdline) {
|
|
/* commStart/commEnd will be adjusted later along with cmdline */
|
|
haveCommInCmdline = (!Process_isUserlandThread(this) || showThreadNames) && findCommInCmdline(procComm, cmdline, cmdlineBasenameStart, &commStart, &commEnd);
|
|
}
|
|
|
|
int matchLen = matchCmdlinePrefixWithExeSuffix(cmdline, cmdlineBasenameStart, procExe, exeBasenameOffset, exeBasenameLen);
|
|
|
|
bool haveCommField = false;
|
|
|
|
if (!haveCommInExe && !haveCommInCmdline && procComm && (!Process_isUserlandThread(this) || showThreadNames)) {
|
|
WRITE_SEPARATOR;
|
|
WRITE_HIGHLIGHT(0, strlen(procComm), commAttr, CMDLINE_HIGHLIGHT_FLAG_COMM);
|
|
str = stpcpy(str, procComm);
|
|
haveCommField = true;
|
|
}
|
|
|
|
if (matchLen) {
|
|
if (stripExeFromCmdline) {
|
|
/* strip the matched exe prefix */
|
|
cmdline += matchLen;
|
|
|
|
commStart -= matchLen;
|
|
commEnd -= matchLen;
|
|
} else {
|
|
matchLen = 0;
|
|
}
|
|
}
|
|
|
|
if (!matchLen || (haveCommField && *cmdline)) {
|
|
/* cmdline will be a separate field */
|
|
WRITE_SEPARATOR;
|
|
}
|
|
|
|
if (!haveCommInExe && haveCommInCmdline && !haveCommField && (!Process_isUserlandThread(this) || showThreadNames))
|
|
WRITE_HIGHLIGHT(commStart, commEnd - commStart, commAttr, CMDLINE_HIGHLIGHT_FLAG_COMM);
|
|
|
|
/* Display cmdline if it hasn't been consumed by procExe */
|
|
if (*cmdline)
|
|
(void)stpcpyWithNewlineConversion(str, cmdline);
|
|
|
|
#undef WRITE_SEPARATOR
|
|
#undef WRITE_HIGHLIGHT
|
|
}
|
|
|
|
void Process_writeCommand(const Process* this, int attr, int baseAttr, RichString* str) {
|
|
(void)baseAttr;
|
|
|
|
const ProcessMergedCommand* mc = &this->mergedCommand;
|
|
|
|
int strStart = RichString_size(str);
|
|
|
|
const bool highlightBaseName = this->settings->highlightBaseName;
|
|
const bool highlightSeparator = true;
|
|
const bool highlightDeleted = this->settings->highlightDeletedExe;
|
|
|
|
if (!this->mergedCommand.str) {
|
|
int len = 0;
|
|
const char* cmdline = this->cmdline;
|
|
|
|
if (highlightBaseName || !this->settings->showProgramPath) {
|
|
int basename = 0;
|
|
for (int i = 0; i < this->cmdlineBasenameEnd; i++) {
|
|
if (cmdline[i] == '/') {
|
|
basename = i + 1;
|
|
} else if (cmdline[i] == ':') {
|
|
len = i + 1;
|
|
break;
|
|
}
|
|
}
|
|
if (len == 0) {
|
|
if (this->settings->showProgramPath) {
|
|
strStart += basename;
|
|
} else {
|
|
cmdline += basename;
|
|
}
|
|
len = this->cmdlineBasenameEnd - basename;
|
|
}
|
|
}
|
|
|
|
RichString_appendWide(str, attr, cmdline);
|
|
|
|
if (this->settings->highlightBaseName) {
|
|
RichString_setAttrn(str, baseAttr, strStart, len);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
RichString_appendWide(str, attr, this->mergedCommand.str);
|
|
|
|
for (size_t i = 0, hlCount = CLAMP(mc->highlightCount, 0, ARRAYSIZE(mc->highlights)); i < hlCount; i++) {
|
|
const ProcessCmdlineHighlight* hl = &mc->highlights[i];
|
|
|
|
if (!hl->length)
|
|
continue;
|
|
|
|
if (hl->flags & CMDLINE_HIGHLIGHT_FLAG_SEPARATOR)
|
|
if (!highlightSeparator)
|
|
continue;
|
|
|
|
if (hl->flags & CMDLINE_HIGHLIGHT_FLAG_BASENAME)
|
|
if (!highlightBaseName)
|
|
continue;
|
|
|
|
if (hl->flags & CMDLINE_HIGHLIGHT_FLAG_DELETED)
|
|
if (!highlightDeleted)
|
|
continue;
|
|
|
|
RichString_setAttrn(str, hl->attr, strStart + hl->offset, hl->length);
|
|
}
|
|
}
|
|
|
|
void Process_printRate(RichString* str, double rate, bool coloring) {
|
|
char buffer[16];
|
|
|
|
int largeNumberColor = CRT_colors[LARGE_NUMBER];
|
|
int processMegabytesColor = CRT_colors[PROCESS_MEGABYTES];
|
|
int processColor = CRT_colors[PROCESS];
|
|
int shadowColor = CRT_colors[PROCESS_SHADOW];
|
|
|
|
if (!coloring) {
|
|
largeNumberColor = CRT_colors[PROCESS];
|
|
processMegabytesColor = CRT_colors[PROCESS];
|
|
}
|
|
|
|
if (isnan(rate)) {
|
|
RichString_appendAscii(str, shadowColor, " N/A ");
|
|
} else if (rate < 0.005) {
|
|
int len = snprintf(buffer, sizeof(buffer), "%7.2f B/s ", rate);
|
|
RichString_appendnAscii(str, shadowColor, buffer, len);
|
|
} else if (rate < ONE_K) {
|
|
int len = snprintf(buffer, sizeof(buffer), "%7.2f B/s ", rate);
|
|
RichString_appendnAscii(str, processColor, buffer, len);
|
|
} else if (rate < ONE_M) {
|
|
int len = snprintf(buffer, sizeof(buffer), "%7.2f K/s ", rate / ONE_K);
|
|
RichString_appendnAscii(str, processColor, buffer, len);
|
|
} else if (rate < ONE_G) {
|
|
int len = snprintf(buffer, sizeof(buffer), "%7.2f M/s ", rate / ONE_M);
|
|
RichString_appendnAscii(str, processMegabytesColor, buffer, len);
|
|
} else if (rate < ONE_T) {
|
|
int len = snprintf(buffer, sizeof(buffer), "%7.2f G/s ", rate / ONE_G);
|
|
RichString_appendnAscii(str, largeNumberColor, buffer, len);
|
|
} else if (rate < ONE_P) {
|
|
int len = snprintf(buffer, sizeof(buffer), "%7.2f T/s ", rate / ONE_T);
|
|
RichString_appendnAscii(str, largeNumberColor, buffer, len);
|
|
} else {
|
|
int len = snprintf(buffer, sizeof(buffer), "%7.2f P/s ", rate / ONE_P);
|
|
RichString_appendnAscii(str, largeNumberColor, buffer, len);
|
|
}
|
|
}
|
|
|
|
void Process_printLeftAlignedField(RichString* str, int attr, const char* content, unsigned int width) {
|
|
int columns = width;
|
|
RichString_appendnWideColumns(str, attr, content, strlen(content), &columns);
|
|
RichString_appendChr(str, attr, ' ', width + 1 - columns);
|
|
}
|
|
|
|
void Process_printPercentage(float val, char* buffer, int n, uint8_t width, int* attr) {
|
|
if (val >= 0) {
|
|
if (val < 0.05F)
|
|
*attr = CRT_colors[PROCESS_SHADOW];
|
|
else if (val >= 99.9F)
|
|
*attr = CRT_colors[PROCESS_MEGABYTES];
|
|
|
|
int precision = 1;
|
|
|
|
// Display "val" as "100" for columns like "MEM%".
|
|
if (width == 4 && val > 99.9F) {
|
|
precision = 0;
|
|
val = 100.0F;
|
|
}
|
|
|
|
xSnprintf(buffer, n, "%*.*f ", width, precision, val);
|
|
} else {
|
|
*attr = CRT_colors[PROCESS_SHADOW];
|
|
xSnprintf(buffer, n, "%*.*s ", width, width, "N/A");
|
|
}
|
|
}
|
|
|
|
static inline char processStateChar(ProcessState state) {
|
|
switch (state) {
|
|
case UNKNOWN: return '?';
|
|
case RUNNABLE: return 'U';
|
|
case RUNNING: return 'R';
|
|
case QUEUED: return 'Q';
|
|
case WAITING: return 'W';
|
|
case UNINTERRUPTIBLE_WAIT: return 'D';
|
|
case BLOCKED: return 'B';
|
|
case PAGING: return 'P';
|
|
case STOPPED: return 'T';
|
|
case TRACED: return 't';
|
|
case ZOMBIE: return 'Z';
|
|
case DEFUNCT: return 'X';
|
|
case IDLE: return 'I';
|
|
case SLEEPING: return 'S';
|
|
default:
|
|
assert(0);
|
|
return '!';
|
|
}
|
|
}
|
|
|
|
void Process_writeField(const Process* this, RichString* str, ProcessField field) {
|
|
char buffer[256];
|
|
size_t n = sizeof(buffer);
|
|
int attr = CRT_colors[DEFAULT_COLOR];
|
|
bool coloring = this->settings->highlightMegabytes;
|
|
|
|
switch (field) {
|
|
case COMM: {
|
|
int baseattr = CRT_colors[PROCESS_BASENAME];
|
|
if (this->settings->highlightThreads && Process_isThread(this)) {
|
|
attr = CRT_colors[PROCESS_THREAD];
|
|
baseattr = CRT_colors[PROCESS_THREAD_BASENAME];
|
|
}
|
|
const ScreenSettings* ss = this->settings->ss;
|
|
if (!ss->treeView || this->indent == 0) {
|
|
Process_writeCommand(this, attr, baseattr, str);
|
|
return;
|
|
}
|
|
|
|
char* buf = buffer;
|
|
int maxIndent = 0;
|
|
bool lastItem = (this->indent < 0);
|
|
int indent = (this->indent < 0 ? -this->indent : this->indent);
|
|
|
|
for (int i = 0; i < 32; i++) {
|
|
if (indent & (1U << i)) {
|
|
maxIndent = i + 1;
|
|
}
|
|
}
|
|
|
|
for (int i = 0; i < maxIndent - 1; i++) {
|
|
int written, ret;
|
|
if (indent & (1 << i)) {
|
|
ret = xSnprintf(buf, n, "%s ", CRT_treeStr[TREE_STR_VERT]);
|
|
} else {
|
|
ret = xSnprintf(buf, n, " ");
|
|
}
|
|
if (ret < 0 || (size_t)ret >= n) {
|
|
written = n;
|
|
} else {
|
|
written = ret;
|
|
}
|
|
buf += written;
|
|
n -= written;
|
|
}
|
|
|
|
const char* draw = CRT_treeStr[lastItem ? TREE_STR_BEND : TREE_STR_RTEE];
|
|
xSnprintf(buf, n, "%s%s ", draw, this->showChildren ? CRT_treeStr[TREE_STR_SHUT] : CRT_treeStr[TREE_STR_OPEN] );
|
|
RichString_appendWide(str, CRT_colors[PROCESS_TREE], buffer);
|
|
Process_writeCommand(this, attr, baseattr, str);
|
|
return;
|
|
}
|
|
case PROC_COMM: {
|
|
const char* procComm;
|
|
if (this->procComm) {
|
|
attr = CRT_colors[Process_isUserlandThread(this) ? PROCESS_THREAD_COMM : PROCESS_COMM];
|
|
procComm = this->procComm;
|
|
} else {
|
|
attr = CRT_colors[PROCESS_SHADOW];
|
|
procComm = Process_isKernelThread(this) ? kthreadID : "N/A";
|
|
}
|
|
|
|
Process_printLeftAlignedField(str, attr, procComm, TASK_COMM_LEN - 1);
|
|
return;
|
|
}
|
|
case PROC_EXE: {
|
|
const char* procExe;
|
|
if (this->procExe) {
|
|
attr = CRT_colors[Process_isUserlandThread(this) ? PROCESS_THREAD_BASENAME : PROCESS_BASENAME];
|
|
if (this->settings->highlightDeletedExe) {
|
|
if (this->procExeDeleted)
|
|
attr = CRT_colors[FAILED_READ];
|
|
else if (this->usesDeletedLib)
|
|
attr = CRT_colors[PROCESS_TAG];
|
|
}
|
|
procExe = this->procExe + this->procExeBasenameOffset;
|
|
} else {
|
|
attr = CRT_colors[PROCESS_SHADOW];
|
|
procExe = Process_isKernelThread(this) ? kthreadID : "N/A";
|
|
}
|
|
|
|
Process_printLeftAlignedField(str, attr, procExe, TASK_COMM_LEN - 1);
|
|
return;
|
|
}
|
|
case CWD: {
|
|
const char* cwd;
|
|
if (!this->procCwd) {
|
|
attr = CRT_colors[PROCESS_SHADOW];
|
|
cwd = "N/A";
|
|
} else if (String_startsWith(this->procCwd, "/proc/") && strstr(this->procCwd, " (deleted)") != NULL) {
|
|
attr = CRT_colors[PROCESS_SHADOW];
|
|
cwd = "main thread terminated";
|
|
} else {
|
|
cwd = this->procCwd;
|
|
}
|
|
Process_printLeftAlignedField(str, attr, cwd, 25);
|
|
return;
|
|
}
|
|
case ELAPSED: {
|
|
const uint64_t rt = this->processList->realtimeMs;
|
|
const uint64_t st = this->starttime_ctime * 1000;
|
|
const uint64_t dt =
|
|
rt < st ? 0 :
|
|
rt - st;
|
|
Process_printTime(str, /* convert to hundreds of a second */ dt / 10, coloring);
|
|
return;
|
|
}
|
|
case MAJFLT: Process_printCount(str, this->majflt, coloring); return;
|
|
case MINFLT: Process_printCount(str, this->minflt, coloring); return;
|
|
case M_RESIDENT: Process_printKBytes(str, this->m_resident, coloring); return;
|
|
case M_VIRT: Process_printKBytes(str, this->m_virt, coloring); return;
|
|
case NICE:
|
|
xSnprintf(buffer, n, "%3ld ", this->nice);
|
|
attr = this->nice < 0 ? CRT_colors[PROCESS_HIGH_PRIORITY]
|
|
: this->nice > 0 ? CRT_colors[PROCESS_LOW_PRIORITY]
|
|
: CRT_colors[PROCESS_SHADOW];
|
|
break;
|
|
case NLWP:
|
|
if (this->nlwp == 1)
|
|
attr = CRT_colors[PROCESS_SHADOW];
|
|
|
|
xSnprintf(buffer, n, "%4ld ", this->nlwp);
|
|
break;
|
|
case PERCENT_CPU: Process_printPercentage(this->percent_cpu, buffer, n, Process_fieldWidths[PERCENT_CPU], &attr); break;
|
|
case PERCENT_NORM_CPU: {
|
|
float cpuPercentage = this->percent_cpu / this->processList->activeCPUs;
|
|
Process_printPercentage(cpuPercentage, buffer, n, Process_fieldWidths[PERCENT_CPU], &attr);
|
|
break;
|
|
}
|
|
case PERCENT_MEM: Process_printPercentage(this->percent_mem, buffer, n, 4, &attr); break;
|
|
case PGRP: xSnprintf(buffer, n, "%*d ", Process_pidDigits, this->pgrp); break;
|
|
case PID: xSnprintf(buffer, n, "%*d ", Process_pidDigits, this->pid); break;
|
|
case PPID: xSnprintf(buffer, n, "%*d ", Process_pidDigits, this->ppid); break;
|
|
case PRIORITY:
|
|
if (this->priority <= -100)
|
|
xSnprintf(buffer, n, " RT ");
|
|
else
|
|
xSnprintf(buffer, n, "%3ld ", this->priority);
|
|
break;
|
|
case PROCESSOR: xSnprintf(buffer, n, "%3d ", Settings_cpuId(this->settings, this->processor)); break;
|
|
case SESSION: xSnprintf(buffer, n, "%*d ", Process_pidDigits, this->session); break;
|
|
case STARTTIME: xSnprintf(buffer, n, "%s", this->starttime_show); break;
|
|
case STATE:
|
|
xSnprintf(buffer, n, "%c ", processStateChar(this->state));
|
|
switch (this->state) {
|
|
case RUNNABLE:
|
|
case RUNNING:
|
|
case TRACED:
|
|
attr = CRT_colors[PROCESS_RUN_STATE];
|
|
break;
|
|
|
|
case BLOCKED:
|
|
case DEFUNCT:
|
|
case STOPPED:
|
|
case UNINTERRUPTIBLE_WAIT:
|
|
case ZOMBIE:
|
|
attr = CRT_colors[PROCESS_D_STATE];
|
|
break;
|
|
|
|
case QUEUED:
|
|
case WAITING:
|
|
case IDLE:
|
|
case SLEEPING:
|
|
attr = CRT_colors[PROCESS_SHADOW];
|
|
break;
|
|
|
|
case UNKNOWN:
|
|
case PAGING:
|
|
break;
|
|
}
|
|
break;
|
|
case ST_UID: xSnprintf(buffer, n, "%*d ", Process_uidDigits, this->st_uid); break;
|
|
case TIME: Process_printTime(str, this->time, coloring); return;
|
|
case TGID:
|
|
if (this->tgid == this->pid)
|
|
attr = CRT_colors[PROCESS_SHADOW];
|
|
|
|
xSnprintf(buffer, n, "%*d ", Process_pidDigits, this->tgid);
|
|
break;
|
|
case TPGID: xSnprintf(buffer, n, "%*d ", Process_pidDigits, this->tpgid); break;
|
|
case TTY:
|
|
if (!this->tty_name) {
|
|
attr = CRT_colors[PROCESS_SHADOW];
|
|
xSnprintf(buffer, n, "(no tty) ");
|
|
} else {
|
|
const char* name = String_startsWith(this->tty_name, "/dev/") ? (this->tty_name + strlen("/dev/")) : this->tty_name;
|
|
xSnprintf(buffer, n, "%-8s ", name);
|
|
}
|
|
break;
|
|
case USER:
|
|
if (Process_getuid != this->st_uid)
|
|
attr = CRT_colors[PROCESS_SHADOW];
|
|
|
|
if (this->user) {
|
|
Process_printLeftAlignedField(str, attr, this->user, 10);
|
|
return;
|
|
}
|
|
|
|
xSnprintf(buffer, n, "%-10d ", this->st_uid);
|
|
break;
|
|
default:
|
|
if (DynamicColumn_writeField(this, str, field))
|
|
return;
|
|
assert(0 && "Process_writeField: default key reached"); /* should never be reached */
|
|
xSnprintf(buffer, n, "- ");
|
|
break;
|
|
}
|
|
RichString_appendAscii(str, attr, buffer);
|
|
}
|
|
|
|
void Process_display(const Object* cast, RichString* out) {
|
|
const Process* this = (const Process*) cast;
|
|
const ProcessField* fields = this->settings->ss->fields;
|
|
for (int i = 0; fields[i]; i++)
|
|
As_Process(this)->writeField(this, out, fields[i]);
|
|
|
|
if (this->settings->shadowOtherUsers && this->st_uid != Process_getuid) {
|
|
RichString_setAttr(out, CRT_colors[PROCESS_SHADOW]);
|
|
}
|
|
|
|
if (this->tag == true) {
|
|
RichString_setAttr(out, CRT_colors[PROCESS_TAG]);
|
|
}
|
|
|
|
if (this->settings->highlightChanges) {
|
|
if (Process_isTomb(this)) {
|
|
out->highlightAttr = CRT_colors[PROCESS_TOMB];
|
|
} else if (Process_isNew(this)) {
|
|
out->highlightAttr = CRT_colors[PROCESS_NEW];
|
|
}
|
|
}
|
|
|
|
assert(RichString_size(out) > 0);
|
|
}
|
|
|
|
void Process_done(Process* this) {
|
|
assert (this != NULL);
|
|
free(this->cmdline);
|
|
free(this->procComm);
|
|
free(this->procExe);
|
|
free(this->procCwd);
|
|
free(this->mergedCommand.str);
|
|
free(this->tty_name);
|
|
}
|
|
|
|
/* This function returns the string displayed in Command column, so that sorting
|
|
* happens on what is displayed - whether comm, full path, basename, etc.. So
|
|
* this follows Process_writeField(COMM) and Process_writeCommand */
|
|
const char* Process_getCommand(const Process* this) {
|
|
if ((Process_isUserlandThread(this) && this->settings->showThreadNames) || !this->mergedCommand.str) {
|
|
return this->cmdline;
|
|
}
|
|
|
|
return this->mergedCommand.str;
|
|
}
|
|
|
|
const ProcessClass Process_class = {
|
|
.super = {
|
|
.extends = Class(Object),
|
|
.display = Process_display,
|
|
.delete = Process_delete,
|
|
.compare = Process_compare
|
|
},
|
|
.writeField = Process_writeField,
|
|
};
|
|
|
|
void Process_init(Process* this, const Settings* settings) {
|
|
this->settings = settings;
|
|
this->tag = false;
|
|
this->showChildren = true;
|
|
this->show = true;
|
|
this->updated = false;
|
|
this->cmdlineBasenameEnd = -1;
|
|
this->st_uid = (uid_t)-1;
|
|
|
|
if (Process_getuid == (uid_t)-1) {
|
|
Process_getuid = getuid();
|
|
}
|
|
}
|
|
|
|
void Process_toggleTag(Process* this) {
|
|
this->tag = !this->tag;
|
|
}
|
|
|
|
bool Process_isNew(const Process* this) {
|
|
assert(this->processList);
|
|
if (this->processList->monotonicMs >= this->seenStampMs) {
|
|
return this->processList->monotonicMs - this->seenStampMs <= 1000 * (uint64_t)this->processList->settings->highlightDelaySecs;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool Process_isTomb(const Process* this) {
|
|
return this->tombStampMs > 0;
|
|
}
|
|
|
|
bool Process_setPriority(Process* this, int priority) {
|
|
if (Settings_isReadonly())
|
|
return false;
|
|
|
|
int old_prio = getpriority(PRIO_PROCESS, this->pid);
|
|
int err = setpriority(PRIO_PROCESS, this->pid, priority);
|
|
|
|
if (err == 0 && old_prio != getpriority(PRIO_PROCESS, this->pid)) {
|
|
this->nice = priority;
|
|
}
|
|
return (err == 0);
|
|
}
|
|
|
|
bool Process_changePriorityBy(Process* this, Arg delta) {
|
|
return Process_setPriority(this, this->nice + delta.i);
|
|
}
|
|
|
|
bool Process_sendSignal(Process* this, Arg sgn) {
|
|
return kill(this->pid, sgn.i) == 0;
|
|
}
|
|
|
|
int Process_compare(const void* v1, const void* v2) {
|
|
const Process* p1 = (const Process*)v1;
|
|
const Process* p2 = (const Process*)v2;
|
|
|
|
const Settings* settings = p1->settings;
|
|
const ScreenSettings* ss = settings->ss;
|
|
|
|
ProcessField key = ScreenSettings_getActiveSortKey(ss);
|
|
|
|
int result = Process_compareByKey(p1, p2, key);
|
|
|
|
// Implement tie-breaker (needed to make tree mode more stable)
|
|
if (!result)
|
|
return SPACESHIP_NUMBER(p1->pid, p2->pid);
|
|
|
|
return (ScreenSettings_getActiveDirection(ss) == 1) ? result : -result;
|
|
}
|
|
|
|
int Process_compareByKey_Base(const Process* p1, const Process* p2, ProcessField key) {
|
|
int r;
|
|
|
|
switch (key) {
|
|
case PERCENT_CPU:
|
|
case PERCENT_NORM_CPU:
|
|
return SPACESHIP_NUMBER(p1->percent_cpu, p2->percent_cpu);
|
|
case PERCENT_MEM:
|
|
return SPACESHIP_NUMBER(p1->m_resident, p2->m_resident);
|
|
case COMM:
|
|
return SPACESHIP_NULLSTR(Process_getCommand(p1), Process_getCommand(p2));
|
|
case PROC_COMM: {
|
|
const char* comm1 = p1->procComm ? p1->procComm : (Process_isKernelThread(p1) ? kthreadID : "");
|
|
const char* comm2 = p2->procComm ? p2->procComm : (Process_isKernelThread(p2) ? kthreadID : "");
|
|
return SPACESHIP_NULLSTR(comm1, comm2);
|
|
}
|
|
case PROC_EXE: {
|
|
const char* exe1 = p1->procExe ? (p1->procExe + p1->procExeBasenameOffset) : (Process_isKernelThread(p1) ? kthreadID : "");
|
|
const char* exe2 = p2->procExe ? (p2->procExe + p2->procExeBasenameOffset) : (Process_isKernelThread(p2) ? kthreadID : "");
|
|
return SPACESHIP_NULLSTR(exe1, exe2);
|
|
}
|
|
case CWD:
|
|
return SPACESHIP_NULLSTR(p1->procCwd, p2->procCwd);
|
|
case ELAPSED:
|
|
r = -SPACESHIP_NUMBER(p1->starttime_ctime, p2->starttime_ctime);
|
|
return r != 0 ? r : SPACESHIP_NUMBER(p1->pid, p2->pid);
|
|
case MAJFLT:
|
|
return SPACESHIP_NUMBER(p1->majflt, p2->majflt);
|
|
case MINFLT:
|
|
return SPACESHIP_NUMBER(p1->minflt, p2->minflt);
|
|
case M_RESIDENT:
|
|
return SPACESHIP_NUMBER(p1->m_resident, p2->m_resident);
|
|
case M_VIRT:
|
|
return SPACESHIP_NUMBER(p1->m_virt, p2->m_virt);
|
|
case NICE:
|
|
return SPACESHIP_NUMBER(p1->nice, p2->nice);
|
|
case NLWP:
|
|
return SPACESHIP_NUMBER(p1->nlwp, p2->nlwp);
|
|
case PGRP:
|
|
return SPACESHIP_NUMBER(p1->pgrp, p2->pgrp);
|
|
case PID:
|
|
return SPACESHIP_NUMBER(p1->pid, p2->pid);
|
|
case PPID:
|
|
return SPACESHIP_NUMBER(p1->ppid, p2->ppid);
|
|
case PRIORITY:
|
|
return SPACESHIP_NUMBER(p1->priority, p2->priority);
|
|
case PROCESSOR:
|
|
return SPACESHIP_NUMBER(p1->processor, p2->processor);
|
|
case SESSION:
|
|
return SPACESHIP_NUMBER(p1->session, p2->session);
|
|
case STARTTIME:
|
|
r = SPACESHIP_NUMBER(p1->starttime_ctime, p2->starttime_ctime);
|
|
return r != 0 ? r : SPACESHIP_NUMBER(p1->pid, p2->pid);
|
|
case STATE:
|
|
return SPACESHIP_NUMBER(p1->state, p2->state);
|
|
case ST_UID:
|
|
return SPACESHIP_NUMBER(p1->st_uid, p2->st_uid);
|
|
case TIME:
|
|
return SPACESHIP_NUMBER(p1->time, p2->time);
|
|
case TGID:
|
|
return SPACESHIP_NUMBER(p1->tgid, p2->tgid);
|
|
case TPGID:
|
|
return SPACESHIP_NUMBER(p1->tpgid, p2->tpgid);
|
|
case TTY:
|
|
/* Order no tty last */
|
|
return SPACESHIP_DEFAULTSTR(p1->tty_name, p2->tty_name, "\x7F");
|
|
case USER:
|
|
return SPACESHIP_NULLSTR(p1->user, p2->user);
|
|
default:
|
|
CRT_debug("Process_compareByKey_Base() called with key %d", key);
|
|
assert(0 && "Process_compareByKey_Base: default key reached"); /* should never be reached */
|
|
return SPACESHIP_NUMBER(p1->pid, p2->pid);
|
|
}
|
|
}
|
|
|
|
void Process_updateComm(Process* this, const char* comm) {
|
|
if (!this->procComm && !comm)
|
|
return;
|
|
|
|
if (this->procComm && comm && String_eq(this->procComm, comm))
|
|
return;
|
|
|
|
free(this->procComm);
|
|
this->procComm = comm ? xStrdup(comm) : NULL;
|
|
|
|
this->mergedCommand.lastUpdate = 0;
|
|
}
|
|
|
|
static int skipPotentialPath(const char* cmdline, int end) {
|
|
if (cmdline[0] != '/')
|
|
return 0;
|
|
|
|
int slash = 0;
|
|
for (int i = 1; i < end; i++) {
|
|
if (cmdline[i] == '/' && cmdline[i + 1] != '\0') {
|
|
slash = i + 1;
|
|
continue;
|
|
}
|
|
|
|
if (cmdline[i] == ' ' && cmdline[i - 1] != '\\')
|
|
return slash;
|
|
|
|
if (cmdline[i] == ':' && cmdline[i + 1] == ' ')
|
|
return slash;
|
|
}
|
|
|
|
return slash;
|
|
}
|
|
|
|
void Process_updateCmdline(Process* this, const char* cmdline, int basenameStart, int basenameEnd) {
|
|
assert(basenameStart >= 0);
|
|
assert((cmdline && basenameStart < (int)strlen(cmdline)) || (!cmdline && basenameStart == 0));
|
|
assert((basenameEnd > basenameStart) || (basenameEnd == 0 && basenameStart == 0));
|
|
assert((cmdline && basenameEnd <= (int)strlen(cmdline)) || (!cmdline && basenameEnd == 0));
|
|
|
|
if (!this->cmdline && !cmdline)
|
|
return;
|
|
|
|
if (this->cmdline && cmdline && String_eq(this->cmdline, cmdline))
|
|
return;
|
|
|
|
free(this->cmdline);
|
|
this->cmdline = cmdline ? xStrdup(cmdline) : NULL;
|
|
this->cmdlineBasenameStart = (basenameStart || !cmdline) ? basenameStart : skipPotentialPath(cmdline, basenameEnd);
|
|
this->cmdlineBasenameEnd = basenameEnd;
|
|
|
|
this->mergedCommand.lastUpdate = 0;
|
|
}
|
|
|
|
void Process_updateExe(Process* this, const char* exe) {
|
|
if (!this->procExe && !exe)
|
|
return;
|
|
|
|
if (this->procExe && exe && String_eq(this->procExe, exe))
|
|
return;
|
|
|
|
free(this->procExe);
|
|
if (exe) {
|
|
this->procExe = xStrdup(exe);
|
|
const char* lastSlash = strrchr(exe, '/');
|
|
this->procExeBasenameOffset = (lastSlash && *(lastSlash + 1) != '\0' && lastSlash != exe) ? (lastSlash - exe + 1) : 0;
|
|
} else {
|
|
this->procExe = NULL;
|
|
this->procExeBasenameOffset = 0;
|
|
}
|
|
|
|
this->mergedCommand.lastUpdate = 0;
|
|
}
|
|
|
|
uint8_t Process_fieldWidths[LAST_PROCESSFIELD] = { 0 };
|
|
|
|
void Process_resetFieldWidths() {
|
|
for (size_t i = 0; i < LAST_PROCESSFIELD; i++) {
|
|
if (!Process_fields[i].autoWidth)
|
|
continue;
|
|
|
|
size_t len = strlen(Process_fields[i].title);
|
|
assert(len <= UINT8_MAX);
|
|
Process_fieldWidths[i] = (uint8_t)len;
|
|
}
|
|
}
|
|
|
|
void Process_updateFieldWidth(ProcessField key, size_t width) {
|
|
if (width > UINT8_MAX)
|
|
Process_fieldWidths[key] = UINT8_MAX;
|
|
else if (width > Process_fieldWidths[key])
|
|
Process_fieldWidths[key] = (uint8_t)width;
|
|
}
|
|
|
|
void Process_updateCPUFieldWidths(float percentage) {
|
|
if (percentage < 99.9F) {
|
|
Process_updateFieldWidth(PERCENT_CPU, 4);
|
|
Process_updateFieldWidth(PERCENT_NORM_CPU, 4);
|
|
return;
|
|
}
|
|
|
|
// Add additional two characters, one for "." and another for precision.
|
|
uint8_t width = ceil(log10(percentage + 0.1)) + 2;
|
|
|
|
Process_updateFieldWidth(PERCENT_CPU, width);
|
|
Process_updateFieldWidth(PERCENT_NORM_CPU, width);
|
|
}
|