Files moved and added for supporting separate platforms.

This commit is contained in:
Hisham Muhammad 2014-11-24 18:55:49 -02:00
parent eb229d9aef
commit 26422af608
14 changed files with 966 additions and 0 deletions

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@ -41,3 +41,4 @@ Panel* IOPriorityPanel_new(IOPriority currPrio) {
IOPriority IOPriorityPanel_getIOPriority(Panel* this) { IOPriority IOPriorityPanel_getIOPriority(Panel* this) {
return (IOPriority) ( ((ListItem*) Panel_getSelected(this))->key ); return (IOPriority) ( ((ListItem*) Panel_getSelected(this))->key );
} }

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@ -17,4 +17,5 @@ Panel* IOPriorityPanel_new(IOPriority currPrio);
IOPriority IOPriorityPanel_getIOPriority(Panel* this); IOPriority IOPriorityPanel_getIOPriority(Panel* this);
#endif #endif

36
linux/LinuxCRT.c Normal file
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@ -0,0 +1,36 @@
/*
htop - LinuxCRT.c
(C) 2014 Hisham H. Muhammad
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/
#include "config.h"
#include "CRT.h"
#include <stdio.h>
#include <stdlib.h>
#ifdef HAVE_EXECINFO_H
#include <execinfo.h>
#endif
void CRT_handleSIGSEGV(int sgn) {
(void) sgn;
CRT_done();
#ifdef __linux
fprintf(stderr, "\n\nhtop " VERSION " aborting. Please report bug at http://hisham.hm/htop\n");
#ifdef HAVE_EXECINFO_H
size_t size = backtrace(backtraceArray, sizeof(backtraceArray) / sizeof(void *));
fprintf(stderr, "\n Please include in your report the following backtrace: \n");
backtrace_symbols_fd(backtraceArray, size, 2);
fprintf(stderr, "\nAdditionally, in order to make the above backtrace useful,");
fprintf(stderr, "\nplease also run the following command to generate a disassembly of your binary:");
fprintf(stderr, "\n\n objdump -d `which htop` > ~/htop.objdump");
fprintf(stderr, "\n\nand then attach the file ~/htop.objdump to your bug report.");
fprintf(stderr, "\n\nThank you for helping to improve htop!\n\n");
#endif
#else
fprintf(stderr, "\nUnfortunately, you seem to be using an unsupported platform!");
fprintf(stderr, "\nPlease contact your platform package mantainer!\n\n");
#endif
abort();
}

85
linux/LinuxProcess.c Normal file
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@ -0,0 +1,85 @@
/*
htop - LinuxProcess.c
(C) 2014 Hisham H. Muhammad
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/
#include "Process.h"
/*{
typedef struct LinuxProcess_ {
Process super;
IOPriority ioPriority;
} LinuxProcess;
}*/
/*
[1] Note that before kernel 2.6.26 a process that has not asked for
an io priority formally uses "none" as scheduling class, but the
io scheduler will treat such processes as if it were in the best
effort class. The priority within the best effort class will be
dynamically derived from the cpu nice level of the process:
io_priority = (cpu_nice + 20) / 5. -- From ionice(1) man page
*/
#define LinuxProcess_effectiveIOPriority(p_) (IOPriority_class(p_->ioPriority) == IOPRIO_CLASS_NONE ? IOPriority_tuple(IOPRIO_CLASS_BE, (p_->nice + 20) / 5) : p_->ioPriority)
IOPriority LinuxProcess_updateIOPriority(Process* this) {
IOPriority ioprio = syscall(SYS_ioprio_get, IOPRIO_WHO_PROCESS, this->pid);
this->ioPriority = ioprio;
return ioprio;
}
bool LinuxProcess_setIOPriority(Process* this, IOPriority ioprio) {
syscall(SYS_ioprio_set, IOPRIO_WHO_PROCESS, this->pid, ioprio);
return (Process_updateIOPriority(this) == ioprio);
}
void LinuxProcess_writeField(Process* this, RichString* str, ProcessField field) {
switch (field) {
case IO_PRIORITY: {
int klass = IOPriority_class(this->ioPriority);
if (klass == IOPRIO_CLASS_NONE) {
// see note [1] above
snprintf(buffer, n, "B%1d ", (int) (this->nice + 20) / 5);
} else if (klass == IOPRIO_CLASS_BE) {
snprintf(buffer, n, "B%1d ", IOPriority_data(this->ioPriority));
} else if (klass == IOPRIO_CLASS_RT) {
attr = CRT_colors[PROCESS_HIGH_PRIORITY];
snprintf(buffer, n, "R%1d ", IOPriority_data(this->ioPriority));
} else if (this->ioPriority == IOPriority_Idle) {
attr = CRT_colors[PROCESS_LOW_PRIORITY];
snprintf(buffer, n, "id ");
} else {
snprintf(buffer, n, "?? ");
}
break;
}
default:
snprintf(buffer, n, "- ");
}
RichString_append(str, attr, buffer);
}
}
long LinuxProcess_compare(const void* v1, const void* v2) {
LinuxProcess *p1, *p2;
ProcessList *pl = ((Process*)v1)->pl;
if (pl->direction == 1) {
p1 = (LinuxProcess*)v1;
p2 = (LinuxProcess*)v2;
} else {
p2 = (LinuxProcess*)v1;
p1 = (LinuxProcess*)v2;
}
switch (pl->sortKey) {
case IO_PRIORITY:
return Process_effectiveIOPriority(p1) - Process_effectiveIOPriority(p2);
default:
return (p1->pid - p2->pid);
}
test_diff:
return (diff > 0) ? 1 : (diff < 0 ? -1 : 0);
}

692
linux/LinuxProcessList.c Normal file
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@ -0,0 +1,692 @@
/*
htop - LinuxProcessList.c
(C) 2014 Hisham H. Muhammad
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/
#include "ProcessList.h"
/*{
#ifndef PROCDIR
#define PROCDIR "/proc"
#endif
#ifndef PROCSTATFILE
#define PROCSTATFILE PROCDIR "/stat"
#endif
#ifndef PROCMEMINFOFILE
#define PROCMEMINFOFILE PROCDIR "/meminfo"
#endif
}*/
ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidWhiteList) {
ProcessList* this = calloc(1, sizeof(ProcessList));
ProcessList_init(this, usersTable, pidWhiteList);
// Update CPU count:
FILE* file = fopen(PROCSTATFILE, "r");
if (file == NULL) {
CRT_fatalError("Cannot open " PROCSTATFILE);
}
char buffer[256];
int cpus = -1;
do {
cpus++;
fgets(buffer, 255, file);
} while (String_startsWith(buffer, "cpu"));
fclose(file);
this->cpuCount = MAX(cpus - 1, 1);
this->cpus = realloc(this->cpus, cpus * sizeof(CPUData));
for (int i = 0; i < cpus; i++) {
this->cpus[i].totalTime = 1;
this->cpus[i].totalPeriod = 1;
}
#ifdef HAVE_OPENVZ
this->flags |= PROCESS_FLAG_OPENVZ;
#endif
return this;
}
static ssize_t xread(int fd, void *buf, size_t count) {
// Read some bytes. Retry on EINTR and when we don't get as many bytes as we requested.
size_t alreadyRead = 0;
for(;;) {
ssize_t res = read(fd, buf, count);
if (res == -1 && errno == EINTR) continue;
if (res > 0) {
buf = ((char*)buf)+res;
count -= res;
alreadyRead += res;
}
if (res == -1) return -1;
if (count == 0 || res == 0) return alreadyRead;
}
}
static bool LinuxProcessList_readStatFile(Process *process, const char* dirname, const char* name, char* command) {
char filename[MAX_NAME+1];
snprintf(filename, MAX_NAME, "%s/%s/stat", dirname, name);
int fd = open(filename, O_RDONLY);
if (fd == -1)
return false;
static char buf[MAX_READ+1];
int size = xread(fd, buf, MAX_READ);
close(fd);
if (size <= 0) return false;
buf[size] = '\0';
assert(process->pid == atoi(buf));
char *location = strchr(buf, ' ');
if (!location) return false;
location += 2;
char *end = strrchr(location, ')');
if (!end) return false;
int commsize = end - location;
memcpy(command, location, commsize);
command[commsize] = '\0';
location = end + 2;
process->state = location[0];
location += 2;
process->ppid = strtol(location, &location, 10);
location += 1;
process->pgrp = strtoul(location, &location, 10);
location += 1;
process->session = strtoul(location, &location, 10);
location += 1;
process->tty_nr = strtoul(location, &location, 10);
location += 1;
process->tpgid = strtol(location, &location, 10);
location += 1;
process->flags = strtoul(location, &location, 10);
location += 1;
process->minflt = strtoull(location, &location, 10);
location += 1;
process->cminflt = strtoull(location, &location, 10);
location += 1;
process->majflt = strtoull(location, &location, 10);
location += 1;
process->cmajflt = strtoull(location, &location, 10);
location += 1;
process->utime = strtoull(location, &location, 10);
location += 1;
process->stime = strtoull(location, &location, 10);
location += 1;
process->cutime = strtoull(location, &location, 10);
location += 1;
process->cstime = strtoull(location, &location, 10);
location += 1;
process->priority = strtol(location, &location, 10);
location += 1;
process->nice = strtol(location, &location, 10);
location += 1;
process->nlwp = strtol(location, &location, 10);
location += 1;
for (int i=0; i<17; i++) location = strchr(location, ' ')+1;
process->exit_signal = strtol(location, &location, 10);
location += 1;
assert(location != NULL);
process->processor = strtol(location, &location, 10);
assert(location == NULL);
return true;
}
static bool LinuxProcessList_statProcessDir(Process* process, const char* dirname, char* name, time_t curTime) {
char filename[MAX_NAME+1];
filename[MAX_NAME] = '\0';
snprintf(filename, MAX_NAME, "%s/%s", dirname, name);
struct stat sstat;
int statok = stat(filename, &sstat);
if (statok == -1)
return false;
process->st_uid = sstat.st_uid;
struct tm date;
time_t ctime = sstat.st_ctime;
process->starttime_ctime = ctime;
(void) localtime_r((time_t*) &ctime, &date);
strftime(process->starttime_show, 7, ((ctime > curTime - 86400) ? "%R " : "%b%d "), &date);
return true;
}
#ifdef HAVE_TASKSTATS
static void LinuxProcessList_readIoFile(Process* process, const char* dirname, char* name, unsigned long long now) {
char filename[MAX_NAME+1];
filename[MAX_NAME] = '\0';
snprintf(filename, MAX_NAME, "%s/%s/io", dirname, name);
int fd = open(filename, O_RDONLY);
if (fd == -1)
return;
char buffer[1024];
ssize_t buflen = xread(fd, buffer, 1023);
close(fd);
if (buflen < 1) return;
buffer[buflen] = '\0';
unsigned long long last_read = process->io_read_bytes;
unsigned long long last_write = process->io_write_bytes;
char *buf = buffer;
char *line = NULL;
while ((line = strsep(&buf, "\n")) != NULL) {
switch (line[0]) {
case 'r':
if (line[1] == 'c' && strncmp(line+2, "har: ", 5) == 0)
process->io_rchar = strtoull(line+7, NULL, 10);
else if (strncmp(line+1, "ead_bytes: ", 11) == 0) {
process->io_read_bytes = strtoull(line+12, NULL, 10);
process->io_rate_read_bps =
((double)(process->io_read_bytes - last_read))/(((double)(now - process->io_rate_read_time))/1000);
process->io_rate_read_time = now;
}
break;
case 'w':
if (line[1] == 'c' && strncmp(line+2, "har: ", 5) == 0)
process->io_wchar = strtoull(line+7, NULL, 10);
else if (strncmp(line+1, "rite_bytes: ", 12) == 0) {
process->io_write_bytes = strtoull(line+13, NULL, 10);
process->io_rate_write_bps =
((double)(process->io_write_bytes - last_write))/(((double)(now - process->io_rate_write_time))/1000);
process->io_rate_write_time = now;
}
break;
case 's':
if (line[5] == 'r' && strncmp(line+1, "yscr: ", 6) == 0)
process->io_syscr = strtoull(line+7, NULL, 10);
else if (strncmp(line+1, "yscw: ", 6) == 0)
sscanf(line, "syscw: %32llu", &process->io_syscw);
process->io_syscw = strtoull(line+7, NULL, 10);
break;
case 'c':
if (strncmp(line+1, "ancelled_write_bytes: ", 22) == 0)
process->io_cancelled_write_bytes = strtoull(line+23, NULL, 10);
}
}
}
#endif
static bool LinuxProcessList_readStatmFile(Process* process, const char* dirname, const char* name) {
char filename[MAX_NAME+1];
snprintf(filename, MAX_NAME, "%s/%s/statm", dirname, name);
int fd = open(filename, O_RDONLY);
if (fd == -1)
return false;
char buf[256];
ssize_t rres = xread(fd, buf, 255);
close(fd);
if (rres < 1) return false;
char *p = buf;
errno = 0;
process->m_size = strtol(p, &p, 10); if (*p == ' ') p++;
process->m_resident = strtol(p, &p, 10); if (*p == ' ') p++;
process->m_share = strtol(p, &p, 10); if (*p == ' ') p++;
process->m_trs = strtol(p, &p, 10); if (*p == ' ') p++;
process->m_lrs = strtol(p, &p, 10); if (*p == ' ') p++;
process->m_drs = strtol(p, &p, 10); if (*p == ' ') p++;
process->m_dt = strtol(p, &p, 10);
return (errno == 0);
}
#ifdef HAVE_OPENVZ
static void LinuxProcessList_readOpenVZData(ProcessList* this, Process* process, const char* dirname, const char* name) {
if ( (!(this->flags & PROCESS_FLAG_OPENVZ)) || (access("/proc/vz", R_OK) != 0)) {
process->vpid = process->pid;
process->ctid = 0;
this->flags |= ~PROCESS_FLAG_OPENVZ;
return;
}
char filename[MAX_NAME+1];
snprintf(filename, MAX_NAME, "%s/%s/stat", dirname, name);
FILE* file = fopen(filename, "r");
if (!file)
return;
fscanf(file,
"%*32u %*32s %*1c %*32u %*32u %*32u %*32u %*32u %*32u %*32u "
"%*32u %*32u %*32u %*32u %*32u %*32u %*32u %*32u "
"%*32u %*32u %*32u %*32u %*32u %*32u %*32u %*32u "
"%*32u %*32u %*32u %*32u %*32u %*32u %*32u %*32u "
"%*32u %*32u %*32u %*32u %*32u %*32u %*32u %*32u "
"%*32u %*32u %*32u %*32u %*32u %*32u %*32u "
"%*32u %*32u %32u %32u",
&process->vpid, &process->ctid);
fclose(file);
}
#endif
#ifdef HAVE_CGROUP
static void LinuxProcessList_readCGroupFile(Process* process, const char* dirname, const char* name) {
char filename[MAX_NAME+1];
snprintf(filename, MAX_NAME, "%s/%s/cgroup", dirname, name);
FILE* file = fopen(filename, "r");
if (!file) {
process->cgroup = strdup("");
return;
}
char buffer[256];
char *ok = fgets(buffer, 255, file);
if (ok) {
char* trimmed = String_trim(buffer);
int nFields;
char** fields = String_split(trimmed, ':', &nFields);
free(trimmed);
if (nFields >= 3) {
process->cgroup = strndup(fields[2] + 1, 10);
} else {
process->cgroup = strdup("");
}
String_freeArray(fields);
}
fclose(file);
}
#endif
#ifdef HAVE_VSERVER
static void LinuxProcessList_readVServerData(Process* process, const char* dirname, const char* name) {
char filename[MAX_NAME+1];
snprintf(filename, MAX_NAME, "%s/%s/status", dirname, name);
FILE* file = fopen(filename, "r");
if (!file)
return;
char buffer[256];
process->vxid = 0;
while (fgets(buffer, 255, file)) {
if (String_startsWith(buffer, "VxID:")) {
int vxid;
int ok = sscanf(buffer, "VxID:\t%32d", &vxid);
if (ok >= 1) {
process->vxid = vxid;
}
}
#if defined HAVE_ANCIENT_VSERVER
else if (String_startsWith(buffer, "s_context:")) {
int vxid;
int ok = sscanf(buffer, "s_context:\t%32d", &vxid);
if (ok >= 1) {
process->vxid = vxid;
}
}
#endif
}
fclose(file);
}
#endif
#ifdef HAVE_OOM
static void LinuxProcessList_readOomData(Process* process, const char* dirname, const char* name) {
char filename[MAX_NAME+1];
snprintf(filename, MAX_NAME, "%s/%s/oom_score", dirname, name);
FILE* file = fopen(filename, "r");
if (!file)
return;
char buffer[256];
if (fgets(buffer, 255, file)) {
unsigned int oom;
int ok = sscanf(buffer, "%32u", &oom);
if (ok >= 1) {
process->oom = oom;
}
}
fclose(file);
}
#endif
static bool LinuxProcessList_readCmdlineFile(Process* process, const char* dirname, const char* name) {
if (Process_isKernelThread(process))
return true;
char filename[MAX_NAME+1];
snprintf(filename, MAX_NAME, "%s/%s/cmdline", dirname, name);
int fd = open(filename, O_RDONLY);
if (fd == -1)
return false;
char command[4096+1]; // max cmdline length on Linux
int amtRead = xread(fd, command, sizeof(command) - 1);
close(fd);
int tokenEnd = 0;
if (amtRead > 0) {
for (int i = 0; i < amtRead; i++)
if (command[i] == '\0' || command[i] == '\n') {
if (tokenEnd == 0) {
tokenEnd = i;
}
command[i] = ' ';
}
}
if (tokenEnd == 0) {
tokenEnd = amtRead;
}
command[amtRead] = '\0';
free(process->comm);
process->comm = strdup(command);
process->basenameOffset = tokenEnd;
return true;
}
static bool LinuxProcessList_processEntries(ProcessList* this, const char* dirname, Process* parent, double period, struct timeval tv) {
DIR* dir;
struct dirent* entry;
time_t curTime = tv.tv_sec;
#ifdef HAVE_TASKSTATS
unsigned long long now = tv.tv_sec*1000LL+tv.tv_usec/1000LL;
#endif
dir = opendir(dirname);
if (!dir) return false;
int cpus = this->cpuCount;
bool hideKernelThreads = this->hideKernelThreads;
bool hideUserlandThreads = this->hideUserlandThreads;
while ((entry = readdir(dir)) != NULL) {
char* name = entry->d_name;
// The RedHat kernel hides threads with a dot.
// I believe this is non-standard.
if ((!this->hideThreads) && name[0] == '.') {
name++;
}
// Just skip all non-number directories.
if (name[0] < '0' || name[0] > '9') {
continue;
}
// filename is a number: process directory
int pid = atoi(name);
if (parent && pid == parent->pid)
continue;
if (pid <= 0)
continue;
Process* process = NULL;
Process* existingProcess = (Process*) Hashtable_get(this->processTable, pid);
if (existingProcess) {
assert(Vector_indexOf(this->processes, existingProcess, Process_pidCompare) != -1);
process = existingProcess;
assert(process->pid == pid);
} else {
process = Process_new(this);
assert(process->comm == NULL);
process->pid = pid;
process->tgid = parent ? parent->pid : pid;
}
char subdirname[MAX_NAME+1];
snprintf(subdirname, MAX_NAME, "%s/%s/task", dirname, name);
LinuxProcessList_processEntries(this, subdirname, process, period, tv);
#ifdef HAVE_TASKSTATS
if (this->flags & PROCESS_FLAG_IO)
LinuxProcessList_readIoFile(process, dirname, name, now);
#endif
if (! LinuxProcessList_readStatmFile(process, dirname, name))
goto errorReadingProcess;
process->show = ! ((hideKernelThreads && Process_isKernelThread(process)) || (hideUserlandThreads && Process_isUserlandThread(process)));
char command[MAX_NAME+1];
unsigned long long int lasttimes = (process->utime + process->stime);
if (! LinuxProcessList_readStatFile(process, dirname, name, command))
goto errorReadingProcess;
if (this->flags & PROCESS_FLAG_IOPRIO)
Process_updateIOPriority(process);
float percent_cpu = (process->utime + process->stime - lasttimes) / period * 100.0;
process->percent_cpu = MAX(MIN(percent_cpu, cpus*100.0), 0.0);
if (isnan(process->percent_cpu)) process->percent_cpu = 0.0;
process->percent_mem = (process->m_resident * PAGE_SIZE_KB) / (double)(this->totalMem) * 100.0;
if(!existingProcess) {
if (! LinuxProcessList_statProcessDir(process, dirname, name, curTime))
goto errorReadingProcess;
process->user = UsersTable_getRef(this->usersTable, process->st_uid);
#ifdef HAVE_OPENVZ
LinuxProcessList_readOpenVZData(this, process, dirname, name);
#endif
#ifdef HAVE_VSERVER
if (this->flags & PROCESS_FLAG_VSERVER)
LinuxProcessList_readVServerData(process, dirname, name);
#endif
if (! LinuxProcessList_readCmdlineFile(process, dirname, name))
goto errorReadingProcess;
ProcessList_add(this, process);
} else {
if (this->updateProcessNames) {
if (! LinuxProcessList_readCmdlineFile(process, dirname, name))
goto errorReadingProcess;
}
}
#ifdef HAVE_CGROUP
if (this->flags & PROCESS_FLAG_CGROUP)
LinuxProcessList_readCGroupFile(process, dirname, name);
#endif
#ifdef HAVE_OOM
LinuxProcessList_readOomData(process, dirname, name);
#endif
if (process->state == 'Z') {
free(process->comm);
process->basenameOffset = -1;
process->comm = strdup(command);
} else if (Process_isThread(process)) {
if (this->showThreadNames || Process_isKernelThread(process) || process->state == 'Z') {
free(process->comm);
process->basenameOffset = -1;
process->comm = strdup(command);
} else if (this->showingThreadNames) {
if (! LinuxProcessList_readCmdlineFile(process, dirname, name))
goto errorReadingProcess;
}
if (Process_isKernelThread(process)) {
this->kernelThreads++;
} else {
this->userlandThreads++;
}
}
this->totalTasks++;
if (process->state == 'R')
this->runningTasks++;
process->updated = true;
continue;
// Exception handler.
errorReadingProcess: {
if (process->comm) {
free(process->comm);
process->basenameOffset = -1;
process->comm = NULL;
}
if (existingProcess)
ProcessList_remove(this, process);
else
Process_delete((Object*)process);
}
}
closedir(dir);
return true;
}
void ProcessList_scan(ProcessList* this) {
unsigned long long int usertime, nicetime, systemtime, idletime;
unsigned long long int swapFree = 0;
FILE* file = fopen(PROCMEMINFOFILE, "r");
if (file == NULL) {
CRT_fatalError("Cannot open " PROCMEMINFOFILE);
}
int cpus = this->cpuCount;
assert(cpus > 0);
{
char buffer[128];
while (fgets(buffer, 128, file)) {
switch (buffer[0]) {
case 'M':
if (String_startsWith(buffer, "MemTotal:"))
sscanf(buffer, "MemTotal: %32llu kB", &this->totalMem);
else if (String_startsWith(buffer, "MemFree:"))
sscanf(buffer, "MemFree: %32llu kB", &this->freeMem);
else if (String_startsWith(buffer, "MemShared:"))
sscanf(buffer, "MemShared: %32llu kB", &this->sharedMem);
break;
case 'B':
if (String_startsWith(buffer, "Buffers:"))
sscanf(buffer, "Buffers: %32llu kB", &this->buffersMem);
break;
case 'C':
if (String_startsWith(buffer, "Cached:"))
sscanf(buffer, "Cached: %32llu kB", &this->cachedMem);
break;
case 'S':
if (String_startsWith(buffer, "SwapTotal:"))
sscanf(buffer, "SwapTotal: %32llu kB", &this->totalSwap);
if (String_startsWith(buffer, "SwapFree:"))
sscanf(buffer, "SwapFree: %32llu kB", &swapFree);
break;
}
}
}
this->usedMem = this->totalMem - this->freeMem;
this->usedSwap = this->totalSwap - swapFree;
fclose(file);
file = fopen(PROCSTATFILE, "r");
if (file == NULL) {
CRT_fatalError("Cannot open " PROCSTATFILE);
}
for (int i = 0; i <= cpus; i++) {
char buffer[256];
int cpuid;
unsigned long long int ioWait, irq, softIrq, steal, guest, guestnice;
unsigned long long int systemalltime, idlealltime, totaltime, virtalltime;
ioWait = irq = softIrq = steal = guest = guestnice = 0;
// Dependending on your kernel version,
// 5, 7, 8 or 9 of these fields will be set.
// The rest will remain at zero.
fgets(buffer, 255, file);
if (i == 0)
sscanf(buffer, "cpu %16llu %16llu %16llu %16llu %16llu %16llu %16llu %16llu %16llu %16llu", &usertime, &nicetime, &systemtime, &idletime, &ioWait, &irq, &softIrq, &steal, &guest, &guestnice);
else {
sscanf(buffer, "cpu%4d %16llu %16llu %16llu %16llu %16llu %16llu %16llu %16llu %16llu %16llu", &cpuid, &usertime, &nicetime, &systemtime, &idletime, &ioWait, &irq, &softIrq, &steal, &guest, &guestnice);
assert(cpuid == i - 1);
}
// Guest time is already accounted in usertime
usertime = usertime - guest;
nicetime = nicetime - guestnice;
// Fields existing on kernels >= 2.6
// (and RHEL's patched kernel 2.4...)
idlealltime = idletime + ioWait;
systemalltime = systemtime + irq + softIrq;
virtalltime = guest + guestnice;
totaltime = usertime + nicetime + systemalltime + idlealltime + steal + virtalltime;
CPUData* cpuData = &(this->cpus[i]);
assert (usertime >= cpuData->userTime);
assert (nicetime >= cpuData->niceTime);
assert (systemtime >= cpuData->systemTime);
assert (idletime >= cpuData->idleTime);
assert (totaltime >= cpuData->totalTime);
assert (systemalltime >= cpuData->systemAllTime);
assert (idlealltime >= cpuData->idleAllTime);
assert (ioWait >= cpuData->ioWaitTime);
assert (irq >= cpuData->irqTime);
assert (softIrq >= cpuData->softIrqTime);
assert (steal >= cpuData->stealTime);
assert (virtalltime >= cpuData->guestTime);
cpuData->userPeriod = usertime - cpuData->userTime;
cpuData->nicePeriod = nicetime - cpuData->niceTime;
cpuData->systemPeriod = systemtime - cpuData->systemTime;
cpuData->systemAllPeriod = systemalltime - cpuData->systemAllTime;
cpuData->idleAllPeriod = idlealltime - cpuData->idleAllTime;
cpuData->idlePeriod = idletime - cpuData->idleTime;
cpuData->ioWaitPeriod = ioWait - cpuData->ioWaitTime;
cpuData->irqPeriod = irq - cpuData->irqTime;
cpuData->softIrqPeriod = softIrq - cpuData->softIrqTime;
cpuData->stealPeriod = steal - cpuData->stealTime;
cpuData->guestPeriod = virtalltime - cpuData->guestTime;
cpuData->totalPeriod = totaltime - cpuData->totalTime;
cpuData->userTime = usertime;
cpuData->niceTime = nicetime;
cpuData->systemTime = systemtime;
cpuData->systemAllTime = systemalltime;
cpuData->idleAllTime = idlealltime;
cpuData->idleTime = idletime;
cpuData->ioWaitTime = ioWait;
cpuData->irqTime = irq;
cpuData->softIrqTime = softIrq;
cpuData->stealTime = steal;
cpuData->guestTime = virtalltime;
cpuData->totalTime = totaltime;
}
double period = (double)this->cpus[0].totalPeriod / cpus; fclose(file);
// mark all process as "dirty"
for (int i = 0; i < Vector_size(this->processes); i++) {
Process* p = (Process*) Vector_get(this->processes, i);
p->updated = false;
}
this->totalTasks = 0;
this->userlandThreads = 0;
this->kernelThreads = 0;
this->runningTasks = 0;
struct timeval tv;
gettimeofday(&tv, NULL);
LinuxProcessList_processEntries(this, PROCDIR, NULL, period, tv);
this->showingThreadNames = this->showThreadNames;
for (int i = Vector_size(this->processes) - 1; i >= 0; i--) {
Process* p = (Process*) Vector_get(this->processes, i);
if (p->updated == false)
ProcessList_remove(this, p);
else
p->updated = false;
}
}

31
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/*
htop - linux/Platform.c
(C) 2014 Hisham H. Muhammad
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/
#include "IOPriority.h"
#include "IOPriorityPanel.h"
static Htop_Reaction Platform_actionSetIOPriority(Panel* panel, ProcessList* pl, Header* header) {
(void) panel, (void) pl;
Process* p = (Process*) Panel_getSelected(panel);
if (!p) return HTOP_OK;
IOPriority ioprio = p->ioPriority;
Panel* ioprioPanel = IOPriorityPanel_new(ioprio);
const char* fuFunctions[] = {"Set ", "Cancel ", NULL};
void* set = pickFromVector(panel, ioprioPanel, 21, fuFunctions, header);
if (set) {
IOPriority ioprio = IOPriorityPanel_getIOPriority(ioprioPanel);
bool ok = Action_foreachProcess(panel, (Action_ForeachProcessFn) Process_setIOPriority, (size_t) ioprio, NULL);
if (!ok)
beep();
}
Panel_delete((Object*)ioprioPanel);
return HTOP_REFRESH | HTOP_REDRAW_BAR | HTOP_UPDATE_PANELHDR;
}
void Platform_setBindings(Htop_Action* keys) {
keys['i'] = Platform_actionSetIOPriority;
}

17
unsupported/Platform.c Normal file
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/*
htop - unsupported/Platform.c
(C) 2014 Hisham H. Muhammad
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/
#include "Platform.h"
/*{
#include "Action.h"
}*/
void Platform_setBindings(Htop_Action* keys) {
(void) keys;
}

17
unsupported/Platform.h Normal file
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/* Do not edit this file. It was automatically generated. */
#ifndef HEADER_Platform
#define HEADER_Platform
/*
htop - unsupported/Platform.h
(C) 2014 Hisham H. Muhammad
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/
#include "Action.h"
void Platform_setBindings(Htop_Action* keys);
#endif

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/*
htop - UnsupportedCRT.c
(C) 2014 Hisham H. Muhammad
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/
#include "config.h"
#include "CRT.h"
#include <stdio.h>
#include <stdlib.h>
void CRT_handleSIGSEGV(int sgn) {
(void) sgn;
CRT_done();
fprintf(stderr, "\n\nhtop " VERSION " aborting.\n");
fprintf(stderr, "\nUnfortunately, you seem to be using an unsupported platform!");
fprintf(stderr, "\nPlease contact your platform package mantainer!\n\n");
abort();
}

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/* Do not edit this file. It was automatically generated. */
#ifndef HEADER_UnsupportedCRT
#define HEADER_UnsupportedCRT
/*
htop - UnsupportedCRT.h
(C) 2014 Hisham H. Muhammad
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/
void CRT_handleSIGSEGV(int sgn);
#endif

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/*
htop - UnsupportedProcessList.c
(C) 2014 Hisham H. Muhammad
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/
#include "ProcessList.h"
#include <stdlib.h>
/*{
}*/
ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidWhiteList) {
ProcessList* this = calloc(1, sizeof(ProcessList));
ProcessList_init(this, usersTable, pidWhiteList);
// Update CPU count:
this->cpuCount = 1;
this->cpus = calloc(1, sizeof(CPUData));
this->cpus[0].totalTime = 1;
this->cpus[0].totalPeriod = 1;
return this;
}
void ProcessList_scan(ProcessList* this) {
(void) this;
// stub!
}

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/* Do not edit this file. It was automatically generated. */
#ifndef HEADER_UnsupportedProcessList
#define HEADER_UnsupportedProcessList
/*
htop - UnsupportedProcessList.h
(C) 2014 Hisham H. Muhammad
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/
ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidWhiteList);
void ProcessList_scan(ProcessList* this);
#endif