mirror of
https://github.com/xzeldon/htop.git
synced 2025-07-12 12:14:36 +03:00
Remove arbitrary limit from rich strings
Fix subtree hiding Fix reading of CPU values in hidden threads Fix hiding of zombie processes as kernel threads Remove "debug proc" code Code cleanup in processElements
This commit is contained in:
Hisham Muhammad
757
ProcessList.c
757
ProcessList.c
@ -58,10 +58,6 @@ in the source distribution for its full text.
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/*{
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#ifdef DEBUG_PROC
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typedef int(*vxscanf)(void*, const char*, va_list);
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#endif
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typedef struct CPUData_ {
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unsigned long long int totalTime;
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unsigned long long int userTime;
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@ -126,77 +122,12 @@ typedef struct ProcessList_ {
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bool highlightMegabytes;
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bool highlightThreads;
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bool detailedCPUTime;
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#ifdef DEBUG_PROC
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FILE* traceFile;
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#endif
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} ProcessList;
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}*/
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static ProcessField defaultHeaders[] = { PID, USER, PRIORITY, NICE, M_SIZE, M_RESIDENT, M_SHARE, STATE, PERCENT_CPU, PERCENT_MEM, TIME, COMM, 0 };
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#ifdef DEBUG_PROC
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#define ProcessList_read(this, buffer, format, ...) ProcessList_xread(this, (vxscanf) vsscanf, buffer, format, ## __VA_ARGS__ )
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#define ProcessList_fread(this, file, format, ...) ProcessList_xread(this, (vxscanf) vfscanf, file, format, ## __VA_ARGS__ )
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static FILE* ProcessList_fopen(ProcessList* this, const char* path, const char* mode) {
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fprintf(this->traceFile, "[%s]\n", path);
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return fopen(path, mode);
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}
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static inline int ProcessList_xread(ProcessList* this, vxscanf fn, void* buffer, char* format, ...) {
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va_list ap;
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va_start(ap, format);
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int num = fn(buffer, format, ap);
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va_end(format);
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va_start(ap, format);
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while (*format) {
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char ch = *format;
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char* c; int* d;
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long int* ld; unsigned long int* lu;
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long long int* lld; unsigned long long int* llu;
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char** s;
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if (ch != '%') {
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fprintf(this->traceFile, "%c", ch);
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format++;
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continue;
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}
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format++;
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switch(*format) {
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case 'c': c = va_arg(ap, char*); fprintf(this->traceFile, "%c", *c); break;
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case 'd': d = va_arg(ap, int*); fprintf(this->traceFile, "%d", *d); break;
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case 's': s = va_arg(ap, char**); fprintf(this->traceFile, "%s", *s); break;
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case 'l':
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format++;
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switch (*format) {
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case 'd': ld = va_arg(ap, long int*); fprintf(this->traceFile, "%ld", *ld); break;
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case 'u': lu = va_arg(ap, unsigned long int*); fprintf(this->traceFile, "%lu", *lu); break;
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case 'l':
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format++;
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switch (*format) {
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case 'd': lld = va_arg(ap, long long int*); fprintf(this->traceFile, "%lld", *lld); break;
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case 'u': llu = va_arg(ap, unsigned long long int*); fprintf(this->traceFile, "%llu", *llu); break;
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}
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}
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}
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format++;
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}
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fprintf(this->traceFile, "\n");
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va_end(format);
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return num;
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}
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#else
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#ifndef ProcessList_read
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#define ProcessList_fopen(this, path, mode) fopen(path, mode)
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#define ProcessList_read(this, buffer, format, ...) sscanf(buffer, format, ## __VA_ARGS__ )
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#define ProcessList_fread(this, file, format, ...) fscanf(file, format, ## __VA_ARGS__ )
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#endif
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#endif
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ProcessList* ProcessList_new(UsersTable* usersTable) {
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ProcessList* this;
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this = malloc(sizeof(ProcessList));
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@ -208,19 +139,15 @@ ProcessList* ProcessList_new(UsersTable* usersTable) {
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/* tree-view auxiliary buffers */
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this->processes2 = Vector_new(PROCESS_CLASS, true, DEFAULT_SIZE, Process_compare);
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#ifdef DEBUG_PROC
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this->traceFile = fopen("/tmp/htop-proc-trace", "w");
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#endif
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FILE* status = fopen(PROCSTATFILE, "r");
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assert(status != NULL);
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FILE* file = fopen(PROCSTATFILE, "r");
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assert(file != NULL);
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char buffer[256];
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int cpus = -1;
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do {
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cpus++;
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fgets(buffer, 255, status);
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fgets(buffer, 255, file);
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} while (String_startsWith(buffer, "cpu"));
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fclose(status);
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fclose(file);
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this->cpuCount = cpus - 1;
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this->cpus = calloc(sizeof(CPUData), cpus);
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@ -240,8 +167,8 @@ ProcessList* ProcessList_new(UsersTable* usersTable) {
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this->direction = 1;
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this->hideThreads = false;
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this->shadowOtherUsers = false;
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this->showThreadNames = true;
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this->showingThreadNames = true;
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this->showThreadNames = false;
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this->showingThreadNames = false;
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this->hideKernelThreads = false;
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this->hideUserlandThreads = false;
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this->treeView = false;
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@ -256,13 +183,7 @@ void ProcessList_delete(ProcessList* this) {
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Hashtable_delete(this->processTable);
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Vector_delete(this->processes);
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Vector_delete(this->processes2);
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free(this->cpus);
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#ifdef DEBUG_PROC
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fclose(this->traceFile);
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#endif
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free(this->fields);
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free(this);
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}
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@ -274,18 +195,16 @@ void ProcessList_invertSortOrder(ProcessList* this) {
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this->direction = 1;
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}
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RichString ProcessList_printHeader(ProcessList* this) {
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RichString out;
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RichString_initVal(out);
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void ProcessList_printHeader(ProcessList* this, RichString* header) {
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RichString_prune(header);
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ProcessField* fields = this->fields;
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for (int i = 0; fields[i]; i++) {
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const char* field = Process_fieldTitles[fields[i]];
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if (this->sortKey == fields[i])
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RichString_append(&out, CRT_colors[PANEL_HIGHLIGHT_FOCUS], field);
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RichString_append(header, CRT_colors[PANEL_HIGHLIGHT_FOCUS], field);
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else
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RichString_append(&out, CRT_colors[PANEL_HEADER_FOCUS], field);
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RichString_append(header, CRT_colors[PANEL_HEADER_FOCUS], field);
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}
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return out;
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}
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static void ProcessList_add(ProcessList* this, Process* p) {
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@ -334,21 +253,18 @@ static void ProcessList_buildTree(ProcessList* this, pid_t pid, int level, int i
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int size = Vector_size(children);
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for (int i = 0; i < size; i++) {
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Process* process = (Process*) (Vector_get(children, i));
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if (show) {
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int s = this->processes2->items;
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if (direction == 1)
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Vector_add(this->processes2, process);
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else
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Vector_insert(this->processes2, 0, process);
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assert(this->processes2->items == s+1); (void)s;
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int nextIndent = indent;
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if (i < size - 1)
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nextIndent = indent | (1 << level);
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ProcessList_buildTree(this, process->pid, level+1, nextIndent, direction, process->showChildren);
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process->indent = indent | (1 << level);
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} else {
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ProcessList_remove(this, process);
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}
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if (!show)
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process->show = false;
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show = show ? process->showChildren : false;
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int s = this->processes2->items;
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if (direction == 1)
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Vector_add(this->processes2, process);
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else
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Vector_insert(this->processes2, 0, process);
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assert(this->processes2->items == s+1); (void)s;
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int nextIndent = indent | (1 << level);
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ProcessList_buildTree(this, process->pid, level+1, (i < size - 1) ? nextIndent : indent, direction, show);
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process->indent = nextIndent;
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}
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Vector_delete(children);
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}
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@ -393,365 +309,352 @@ void ProcessList_sort(ProcessList* this) {
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}
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}
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static int ProcessList_readStatFile(Process *proc, FILE *f, char *command) {
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static bool ProcessList_readStatFile(Process *process, const char* dirname, const char* name, char* command) {
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char filename[MAX_NAME+1];
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snprintf(filename, MAX_NAME, "%s/%s/stat", dirname, name);
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FILE* file = fopen(filename, "r");
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if (!file)
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return false;
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static char buf[MAX_READ];
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unsigned long int zero;
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int size = fread(buf, 1, MAX_READ, f);
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if(!size) return 0;
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int size = fread(buf, 1, MAX_READ, file);
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if (!size) { fclose(file); return false; }
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assert(proc->pid == atoi(buf));
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assert(process->pid == atoi(buf));
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char *location = strchr(buf, ' ');
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if(!location) return 0;
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if (!location) { fclose(file); return false; }
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location += 2;
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char *end = strrchr(location, ')');
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if(!end) return 0;
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if (!end) { fclose(file); return false; }
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int commsize = end - location;
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memcpy(command, location, commsize);
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command[commsize] = '\0';
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location = end + 2;
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#ifdef DEBUG_PROC
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int num = ProcessList_read(this, location,
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"%c %u %u %u %u %d %lu %lu %lu %lu "
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"%lu %lu %lu %ld %ld %ld %ld %ld %ld "
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"%lu %lu %ld %lu %lu %lu %lu %lu "
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"%lu %lu %lu %lu %lu %lu %lu %lu "
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int num = sscanf(location,
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"%c %d %u %u %u "
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"%d %lu "
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"%*u %*u %*u %*u "
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"%lu %lu %ld %ld "
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"%ld %ld %ld "
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"%*d %*u %*u %*d %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u "
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"%d %d",
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&proc->state, &proc->ppid, &proc->pgrp, &proc->session, &proc->tty_nr,
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&proc->tpgid, &proc->flags,
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&proc->minflt, &proc->cminflt, &proc->majflt, &proc->cmajflt,
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&proc->utime, &proc->stime, &proc->cutime, &proc->cstime,
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&proc->priority, &proc->nice, &proc->nlwp, &proc->itrealvalue,
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&zero, &proc->vsize, &proc->rss, &proc->rlim,
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&proc->startcode, &proc->endcode, &proc->startstack, &proc->kstkesp,
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&proc->kstkeip, &proc->signal, &proc->blocked, &proc->sigignore,
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&proc->sigcatch, &proc->wchan, &proc->nswap, &proc->cnswap,
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&proc->exit_signal, &proc->processor);
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#else
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long int uzero;
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int num = ProcessList_read(this, location,
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"%c %d %u %u %u %d %lu %lu %lu %lu "
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"%lu %lu %lu %ld %ld %ld %ld %ld %ld "
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"%lu %lu %ld %lu %lu %lu %lu %lu "
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"%lu %lu %lu %lu %lu %lu %lu %lu "
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"%d %d",
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&proc->state, &proc->ppid, &proc->pgrp, &proc->session, &proc->tty_nr,
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&proc->tpgid, &proc->flags,
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&zero, &zero, &zero, &zero,
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&proc->utime, &proc->stime, &proc->cutime, &proc->cstime,
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&proc->priority, &proc->nice, &proc->nlwp, &uzero,
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&zero, &zero, &uzero, &zero,
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&zero, &zero, &zero, &zero,
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&zero, &zero, &zero, &zero,
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&zero, &zero, &zero, &zero,
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&proc->exit_signal, &proc->processor);
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#endif
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// This assert is always valid on 2.4, but reportedly not always valid on 2.6.
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// TODO: Check if the semantics of this field has changed.
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// assert(zero == 0);
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if(num != 37) return 0;
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return 1;
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&process->state, &process->ppid, &process->pgrp, &process->session, &process->tty_nr,
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&process->tpgid, &process->flags,
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&process->utime, &process->stime, &process->cutime, &process->cstime,
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&process->priority, &process->nice, &process->nlwp,
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&process->exit_signal, &process->processor);
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fclose(file);
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return (num == 16);
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}
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static bool ProcessList_readStatusFile(Process* proc, const char* dirname, char* name) {
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char statusfilename[MAX_NAME+1];
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statusfilename[MAX_NAME] = '\0';
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static bool ProcessList_statProcessDir(Process* process, const char* dirname, char* name) {
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char filename[MAX_NAME+1];
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filename[MAX_NAME] = '\0';
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snprintf(statusfilename, MAX_NAME, "%s/%s", dirname, name);
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snprintf(filename, MAX_NAME, "%s/%s", dirname, name);
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struct stat sstat;
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int statok = stat(statusfilename, &sstat);
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int statok = stat(filename, &sstat);
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if (statok == -1)
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return false;
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proc->st_uid = sstat.st_uid;
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process->st_uid = sstat.st_uid;
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struct tm date;
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time_t ctime = sstat.st_ctime;
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proc->starttime_ctime = ctime;
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process->starttime_ctime = ctime;
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(void) localtime_r((time_t*) &ctime, &date);
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strftime(proc->starttime_show, 7, ((ctime > time(NULL) - 86400) ? "%R " : "%b%d "), &date);
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strftime(process->starttime_show, 7, ((ctime > time(NULL) - 86400) ? "%R " : "%b%d "), &date);
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return true;
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}
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#ifdef HAVE_TASKSTATS
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static void ProcessList_readIoFile(Process* proc, const char* dirname, char* name) {
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char iofilename[MAX_NAME+1];
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iofilename[MAX_NAME] = '\0';
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static void ProcessList_readIoFile(Process* process, const char* dirname, char* name) {
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char filename[MAX_NAME+1];
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filename[MAX_NAME] = '\0';
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snprintf(iofilename, MAX_NAME, "%s/%s/io", dirname, name);
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FILE* io = ProcessList_fopen(this, iofilename, "r");
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if (io) {
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char buffer[256];
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buffer[255] = '\0';
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struct timeval tv;
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gettimeofday(&tv,NULL);
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unsigned long long now = tv.tv_sec*1000+tv.tv_usec/1000;
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unsigned long long last_read = proc->io_read_bytes;
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unsigned long long last_write = proc->io_write_bytes;
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while (fgets(buffer, 255, io)) {
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if (ProcessList_read(this, buffer, "rchar: %llu", &proc->io_rchar)) continue;
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if (ProcessList_read(this, buffer, "wchar: %llu", &proc->io_wchar)) continue;
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if (ProcessList_read(this, buffer, "syscr: %llu", &proc->io_syscr)) continue;
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if (ProcessList_read(this, buffer, "syscw: %llu", &proc->io_syscw)) continue;
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if (ProcessList_read(this, buffer, "read_bytes: %llu", &proc->io_read_bytes)) {
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proc->io_rate_read_bps =
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((double)(proc->io_read_bytes - last_read))/(((double)(now - proc->io_rate_read_time))/1000);
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proc->io_rate_read_time = now;
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continue;
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}
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if (ProcessList_read(this, buffer, "write_bytes: %llu", &proc->io_write_bytes)) {
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proc->io_rate_write_bps =
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((double)(proc->io_write_bytes - last_write))/(((double)(now - proc->io_rate_write_time))/1000);
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proc->io_rate_write_time = now;
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continue;
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}
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ProcessList_read(this, buffer, "cancelled_write_bytes: %llu", &proc->io_cancelled_write_bytes);
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snprintf(filename, MAX_NAME, "%s/%s/io", dirname, name);
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FILE* file = fopen(filename, "r");
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if (!file)
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return;
|
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char buffer[256];
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buffer[255] = '\0';
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struct timeval tv;
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gettimeofday(&tv,NULL);
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unsigned long long now = tv.tv_sec*1000+tv.tv_usec/1000;
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unsigned long long last_read = process->io_read_bytes;
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unsigned long long last_write = process->io_write_bytes;
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while (fgets(buffer, 255, file)) {
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if (sscanf(buffer, "rchar: %llu", &process->io_rchar)) continue;
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if (sscanf(buffer, "wchar: %llu", &process->io_wchar)) continue;
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if (sscanf(buffer, "syscr: %llu", &process->io_syscr)) continue;
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if (sscanf(buffer, "syscw: %llu", &process->io_syscw)) continue;
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if (sscanf(buffer, "read_bytes: %llu", &process->io_read_bytes)) {
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process->io_rate_read_bps =
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((double)(process->io_read_bytes - last_read))/(((double)(now - process->io_rate_read_time))/1000);
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process->io_rate_read_time = now;
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continue;
|
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}
|
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fclose(io);
|
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if (sscanf(buffer, "write_bytes: %llu", &process->io_write_bytes)) {
|
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process->io_rate_write_bps =
|
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((double)(process->io_write_bytes - last_write))/(((double)(now - process->io_rate_write_time))/1000);
|
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process->io_rate_write_time = now;
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continue;
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}
|
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sscanf(buffer, "cancelled_write_bytes: %llu", &process->io_cancelled_write_bytes);
|
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}
|
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fclose(file);
|
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}
|
||||
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#endif
|
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static bool ProcessList_processEntries(ProcessList* this, const char* dirname, Process* parent, pid_t parentPid, float period) {
|
||||
static bool ProcessList_readStatmFile(Process* process, const char* dirname, const char* name) {
|
||||
char filename[MAX_NAME+1];
|
||||
snprintf(filename, MAX_NAME, "%s/%s/statm", dirname, name);
|
||||
FILE* file = fopen(filename, "r");
|
||||
if (!file)
|
||||
return false;
|
||||
|
||||
int num = fscanf(file, "%d %d %d %d %d %d %d",
|
||||
&process->m_size, &process->m_resident, &process->m_share,
|
||||
&process->m_trs, &process->m_lrs, &process->m_drs,
|
||||
&process->m_dt);
|
||||
fclose(file);
|
||||
return (num == 7);
|
||||
}
|
||||
|
||||
#ifdef HAVE_OPENVZ
|
||||
|
||||
static void ProcessList_readOpenVZData(Process* process, const char* dirname, const char* name) {
|
||||
if (access("/proc/vz", R_OK) != 0) {
|
||||
process->vpid = process->pid;
|
||||
process->ctid = 0;
|
||||
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,
|
||||
"%*u %*s %*c %*u %*u %*u %*u %*u %*u %*u "
|
||||
"%*u %*u %*u %*u %*u %*u %*u %*u "
|
||||
"%*u %*u %*u %*u %*u %*u %*u %*u "
|
||||
"%*u %*u %*u %*u %*u %*u %*u %*u "
|
||||
"%*u %*u %*u %*u %*u %*u %*u %*u "
|
||||
"%*u %*u %*u %*u %*u %*u %*u "
|
||||
"%*u %*u %u %u",
|
||||
&process->vpid, &process->ctid);
|
||||
fclose(file);
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
#ifdef HAVE_CGROUP
|
||||
|
||||
static void ProcessList_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);
|
||||
char** fields = String_split(trimmed, ':');
|
||||
free(trimmed);
|
||||
|
||||
process->cgroup = strndup(fields[2] + 1, 10);
|
||||
String_freeArray(fields);
|
||||
}
|
||||
fclose(file);
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
#ifdef HAVE_VSERVER
|
||||
|
||||
static void ProcessList_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%d", &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%d", &vxid);
|
||||
if (ok >= 1) {
|
||||
process->vxid = vxid;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
}
|
||||
fclose(file);
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
static bool ProcessList_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);
|
||||
FILE* file = fopen(filename, "r");
|
||||
if (!file)
|
||||
return false;
|
||||
|
||||
char command[4096+1]; // max cmdline length on Linux
|
||||
int amtRead = fread(command, 1, sizeof(command) - 1, file);
|
||||
if (amtRead > 0) {
|
||||
for (int i = 0; i < amtRead; i++)
|
||||
if (command[i] == '\0' || command[i] == '\n') {
|
||||
command[i] = ' ';
|
||||
}
|
||||
}
|
||||
command[amtRead] = '\0';
|
||||
fclose(file);
|
||||
free(process->comm);
|
||||
process->comm = String_copy(command);
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
static bool ProcessList_processEntries(ProcessList* this, const char* dirname, Process* parent, float period) {
|
||||
DIR* dir;
|
||||
struct dirent* entry;
|
||||
|
||||
dir = opendir(dirname);
|
||||
if (!dir) return false;
|
||||
int cpus = this->cpuCount;
|
||||
bool showUserlandThreads = !this->hideUserlandThreads;
|
||||
bool hideKernelThreads = this->hideKernelThreads;
|
||||
bool hideUserlandThreads = this->hideUserlandThreads;
|
||||
while ((entry = readdir(dir)) != NULL) {
|
||||
char* name = entry->d_name;
|
||||
int pid;
|
||||
// filename is a number: process directory
|
||||
pid = atoi(name);
|
||||
|
||||
if (pid == parentPid)
|
||||
int pid = atoi(name);
|
||||
|
||||
if (parent && pid == parent->pid)
|
||||
continue;
|
||||
|
||||
bool isThread = parent;
|
||||
// The RedHat kernel hides threads with a dot.
|
||||
// I believe this is non-standard.
|
||||
bool isThread = false;
|
||||
if ((!this->hideThreads) && pid == 0 && name[0] == '.') {
|
||||
char* tname = name + 1;
|
||||
pid = atoi(tname);
|
||||
if (pid > 0)
|
||||
isThread = true;
|
||||
isThread = true;
|
||||
}
|
||||
|
||||
if (pid > 0) {
|
||||
|
||||
FILE* status;
|
||||
char statusfilename[MAX_NAME+1];
|
||||
char command[PROCESS_COMM_LEN + 1];
|
||||
|
||||
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 {
|
||||
if (parent && parent->pid == pid) {
|
||||
process = parent;
|
||||
} else {
|
||||
process = Process_new(this);
|
||||
assert(process->comm == NULL);
|
||||
process->pid = pid;
|
||||
}
|
||||
}
|
||||
process->tgid = parent ? parent->pid : pid;
|
||||
|
||||
if (showUserlandThreads && (!parent || pid != parent->pid)) {
|
||||
char subdirname[MAX_NAME+1];
|
||||
snprintf(subdirname, MAX_NAME, "%s/%s/task", dirname, name);
|
||||
|
||||
ProcessList_processEntries(this, subdirname, process, pid, period);
|
||||
}
|
||||
|
||||
#ifdef HAVE_TASKSTATS
|
||||
ProcessList_readIoFile(process, dirname, name);
|
||||
#endif
|
||||
|
||||
process->updated = true;
|
||||
|
||||
if (!existingProcess)
|
||||
if (! ProcessList_readStatusFile(process, dirname, name))
|
||||
goto errorReadingProcess;
|
||||
|
||||
snprintf(statusfilename, MAX_NAME, "%s/%s/statm", dirname, name);
|
||||
status = ProcessList_fopen(this, statusfilename, "r");
|
||||
|
||||
if(!status) {
|
||||
goto errorReadingProcess;
|
||||
}
|
||||
int num = ProcessList_fread(this, status, "%d %d %d %d %d %d %d",
|
||||
&process->m_size, &process->m_resident, &process->m_share,
|
||||
&process->m_trs, &process->m_lrs, &process->m_drs,
|
||||
&process->m_dt);
|
||||
|
||||
fclose(status);
|
||||
if(num != 7)
|
||||
goto errorReadingProcess;
|
||||
|
||||
if (this->hideKernelThreads && process->m_size == 0)
|
||||
goto errorReadingProcess;
|
||||
|
||||
int lasttimes = (process->utime + process->stime);
|
||||
|
||||
snprintf(statusfilename, MAX_NAME, "%s/%s/stat", dirname, name);
|
||||
|
||||
status = ProcessList_fopen(this, statusfilename, "r");
|
||||
if (status == NULL)
|
||||
goto errorReadingProcess;
|
||||
|
||||
int success = ProcessList_readStatFile(process, status, command);
|
||||
fclose(status);
|
||||
if(!success) {
|
||||
goto errorReadingProcess;
|
||||
}
|
||||
|
||||
if(!existingProcess) {
|
||||
process->user = UsersTable_getRef(this->usersTable, process->st_uid);
|
||||
|
||||
#ifdef HAVE_OPENVZ
|
||||
if (access("/proc/vz", R_OK) != 0) {
|
||||
process->vpid = process->pid;
|
||||
process->ctid = 0;
|
||||
} else {
|
||||
snprintf(statusfilename, MAX_NAME, "%s/%s/stat", dirname, name);
|
||||
status = ProcessList_fopen(this, statusfilename, "r");
|
||||
if (status == NULL)
|
||||
goto errorReadingProcess;
|
||||
num = ProcessList_fread(this, status,
|
||||
"%*u %*s %*c %*u %*u %*u %*u %*u %*u %*u "
|
||||
"%*u %*u %*u %*u %*u %*u %*u %*u "
|
||||
"%*u %*u %*u %*u %*u %*u %*u %*u "
|
||||
"%*u %*u %*u %*u %*u %*u %*u %*u "
|
||||
"%*u %*u %*u %*u %*u %*u %*u %*u "
|
||||
"%*u %*u %*u %*u %*u %*u %*u "
|
||||
"%*u %*u %u %u",
|
||||
&process->vpid, &process->ctid);
|
||||
fclose(status);
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef HAVE_CGROUP
|
||||
snprintf(statusfilename, MAX_NAME, "%s/%s/cgroup", dirname, name);
|
||||
status = ProcessList_fopen(this, statusfilename, "r");
|
||||
if (status) {
|
||||
char buffer[256];
|
||||
char *ok = fgets(buffer, 255, status);
|
||||
if (ok) {
|
||||
char* trimmed = String_trim(buffer);
|
||||
char** fields = String_split(trimmed, ':');
|
||||
free(trimmed);
|
||||
|
||||
process->cgroup = strndup(fields[2] + 1, 10);
|
||||
String_freeArray(fields);
|
||||
}
|
||||
fclose(status);
|
||||
} else {
|
||||
process->cgroup = strdup("");
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef HAVE_VSERVER
|
||||
snprintf(statusfilename, MAX_NAME, "%s/%s/status", dirname, name);
|
||||
status = ProcessList_fopen(this, statusfilename, "r");
|
||||
if (status == NULL)
|
||||
goto errorReadingProcess;
|
||||
else {
|
||||
char buffer[256];
|
||||
process->vxid = 0;
|
||||
while (fgets(buffer, 255, status)) {
|
||||
|
||||
if (String_startsWith(buffer, "VxID:")) {
|
||||
int vxid;
|
||||
int ok = ProcessList_read(this, buffer, "VxID:\t%d", &vxid);
|
||||
if (ok >= 1) {
|
||||
process->vxid = vxid;
|
||||
}
|
||||
}
|
||||
#if defined HAVE_ANCIENT_VSERVER
|
||||
else if (String_startsWith(buffer, "s_context:")) {
|
||||
int vxid;
|
||||
int ok = ProcessList_read(this, buffer, "s_context:\t%d", &vxid);
|
||||
if (ok >= 1) {
|
||||
process->vxid = vxid;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
}
|
||||
fclose(status);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
if ( ((!existingProcess) && (!showUserlandThreads || pid == parentPid || !this->showThreadNames))
|
||||
|| (this->showingThreadNames && !this->showThreadNames) ) {
|
||||
|
||||
snprintf(statusfilename, MAX_NAME, "%s/%s/cmdline", dirname, name);
|
||||
status = ProcessList_fopen(this, statusfilename, "r");
|
||||
if (!status) {
|
||||
goto errorReadingProcess;
|
||||
}
|
||||
|
||||
int amtRead = fread(command, 1, PROCESS_COMM_LEN - 1, status);
|
||||
if (amtRead > 0) {
|
||||
for (int i = 0; i < amtRead; i++)
|
||||
if (command[i] == '\0' || command[i] == '\n')
|
||||
command[i] = ' ';
|
||||
command[amtRead] = '\0';
|
||||
}
|
||||
fclose(status);
|
||||
command[PROCESS_COMM_LEN] = '\0';
|
||||
free(process->comm);
|
||||
process->comm = String_copy(command);
|
||||
} else if (pid != parentPid && this->showThreadNames) {
|
||||
free(process->comm);
|
||||
process->comm = String_copy(command);
|
||||
}
|
||||
|
||||
int 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) /
|
||||
(float)(this->totalMem) *
|
||||
100.0;
|
||||
|
||||
this->totalTasks++;
|
||||
if (process->state == 'R') {
|
||||
this->runningTasks++;
|
||||
}
|
||||
|
||||
if (!existingProcess) {
|
||||
ProcessList_add(this, process);
|
||||
}
|
||||
if (pid <= 0)
|
||||
continue;
|
||||
|
||||
// Exception handler.
|
||||
errorReadingProcess: {
|
||||
if (process->comm) {
|
||||
free(process->comm);
|
||||
process->comm = NULL;
|
||||
}
|
||||
if (existingProcess)
|
||||
ProcessList_remove(this, process);
|
||||
else
|
||||
Process_delete((Object*)process);
|
||||
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);
|
||||
ProcessList_processEntries(this, subdirname, process, period);
|
||||
|
||||
#ifdef HAVE_TASKSTATS
|
||||
ProcessList_readIoFile(process, dirname, name);
|
||||
#endif
|
||||
|
||||
if (! ProcessList_readStatmFile(process, dirname, name))
|
||||
goto errorReadingProcess;
|
||||
|
||||
isThread = Process_isThread(process);
|
||||
process->show = ! ((hideKernelThreads && Process_isKernelThread(process)) || (hideUserlandThreads && Process_isUserlandThread(process)));
|
||||
|
||||
char command[MAX_NAME+1];
|
||||
int lasttimes = (process->utime + process->stime);
|
||||
if (! ProcessList_readStatFile(process, dirname, name, command))
|
||||
goto errorReadingProcess;
|
||||
int 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) / (float)(this->totalMem) * 100.0;
|
||||
|
||||
if(!existingProcess) {
|
||||
process->user = UsersTable_getRef(this->usersTable, process->st_uid);
|
||||
|
||||
if (! ProcessList_statProcessDir(process, dirname, name))
|
||||
goto errorReadingProcess;
|
||||
|
||||
#ifdef HAVE_OPENVZ
|
||||
ProcessList_readOpenVZData(process, dirname, name);
|
||||
#endif
|
||||
|
||||
#ifdef HAVE_CGROUP
|
||||
ProcessList_readCGroupFile(process, dirname, name);
|
||||
#endif
|
||||
|
||||
#ifdef HAVE_VSERVER
|
||||
ProcessList_readVServerData(process, dirname, name);
|
||||
#endif
|
||||
|
||||
if (! ProcessList_readCmdlineFile(process, dirname, name))
|
||||
goto errorReadingProcess;
|
||||
|
||||
ProcessList_add(this, process);
|
||||
}
|
||||
|
||||
if (isThread) {
|
||||
if (this->showThreadNames || Process_isKernelThread(process) || process->state == 'Z') {
|
||||
free(process->comm);
|
||||
process->comm = String_copy(command);
|
||||
} else if (this->showingThreadNames) {
|
||||
if (! ProcessList_readCmdlineFile(process, dirname, name))
|
||||
goto errorReadingProcess;
|
||||
}
|
||||
}
|
||||
|
||||
this->totalTasks++;
|
||||
if (process->state == 'R')
|
||||
this->runningTasks++;
|
||||
process->updated = true;
|
||||
|
||||
continue;
|
||||
|
||||
// Exception handler.
|
||||
errorReadingProcess: {
|
||||
if (process->comm) {
|
||||
free(process->comm);
|
||||
process->comm = NULL;
|
||||
}
|
||||
if (existingProcess)
|
||||
ProcessList_remove(this, process);
|
||||
else
|
||||
Process_delete((Object*)process);
|
||||
}
|
||||
}
|
||||
closedir(dir);
|
||||
return true;
|
||||
@ -761,36 +664,35 @@ void ProcessList_scan(ProcessList* this) {
|
||||
unsigned long long int usertime, nicetime, systemtime, systemalltime, idlealltime, idletime, totaltime, virtalltime;
|
||||
unsigned long long int swapFree = 0;
|
||||
|
||||
FILE* status;
|
||||
status = ProcessList_fopen(this, PROCMEMINFOFILE, "r");
|
||||
assert(status != NULL);
|
||||
FILE* file = fopen(PROCMEMINFOFILE, "r");
|
||||
assert(file != NULL);
|
||||
int cpus = this->cpuCount;
|
||||
{
|
||||
char buffer[128];
|
||||
while (fgets(buffer, 128, status)) {
|
||||
while (fgets(buffer, 128, file)) {
|
||||
|
||||
switch (buffer[0]) {
|
||||
case 'M':
|
||||
if (String_startsWith(buffer, "MemTotal:"))
|
||||
ProcessList_read(this, buffer, "MemTotal: %llu kB", &this->totalMem);
|
||||
sscanf(buffer, "MemTotal: %llu kB", &this->totalMem);
|
||||
else if (String_startsWith(buffer, "MemFree:"))
|
||||
ProcessList_read(this, buffer, "MemFree: %llu kB", &this->freeMem);
|
||||
sscanf(buffer, "MemFree: %llu kB", &this->freeMem);
|
||||
else if (String_startsWith(buffer, "MemShared:"))
|
||||
ProcessList_read(this, buffer, "MemShared: %llu kB", &this->sharedMem);
|
||||
sscanf(buffer, "MemShared: %llu kB", &this->sharedMem);
|
||||
break;
|
||||
case 'B':
|
||||
if (String_startsWith(buffer, "Buffers:"))
|
||||
ProcessList_read(this, buffer, "Buffers: %llu kB", &this->buffersMem);
|
||||
sscanf(buffer, "Buffers: %llu kB", &this->buffersMem);
|
||||
break;
|
||||
case 'C':
|
||||
if (String_startsWith(buffer, "Cached:"))
|
||||
ProcessList_read(this, buffer, "Cached: %llu kB", &this->cachedMem);
|
||||
sscanf(buffer, "Cached: %llu kB", &this->cachedMem);
|
||||
break;
|
||||
case 'S':
|
||||
if (String_startsWith(buffer, "SwapTotal:"))
|
||||
ProcessList_read(this, buffer, "SwapTotal: %llu kB", &this->totalSwap);
|
||||
sscanf(buffer, "SwapTotal: %llu kB", &this->totalSwap);
|
||||
if (String_startsWith(buffer, "SwapFree:"))
|
||||
ProcessList_read(this, buffer, "SwapFree: %llu kB", &swapFree);
|
||||
sscanf(buffer, "SwapFree: %llu kB", &swapFree);
|
||||
break;
|
||||
}
|
||||
}
|
||||
@ -798,11 +700,10 @@ void ProcessList_scan(ProcessList* this) {
|
||||
|
||||
this->usedMem = this->totalMem - this->freeMem;
|
||||
this->usedSwap = this->totalSwap - swapFree;
|
||||
fclose(status);
|
||||
fclose(file);
|
||||
|
||||
status = ProcessList_fopen(this, PROCSTATFILE, "r");
|
||||
|
||||
assert(status != NULL);
|
||||
file = fopen(PROCSTATFILE, "r");
|
||||
assert(file != NULL);
|
||||
for (int i = 0; i <= cpus; i++) {
|
||||
char buffer[256];
|
||||
int cpuid;
|
||||
@ -811,11 +712,11 @@ void ProcessList_scan(ProcessList* this) {
|
||||
// Dependending on your kernel version,
|
||||
// 5, 7 or 8 of these fields will be set.
|
||||
// The rest will remain at zero.
|
||||
fgets(buffer, 255, status);
|
||||
fgets(buffer, 255, file);
|
||||
if (i == 0)
|
||||
ProcessList_read(this, buffer, "cpu %llu %llu %llu %llu %llu %llu %llu %llu %llu", &usertime, &nicetime, &systemtime, &idletime, &ioWait, &irq, &softIrq, &steal, &guest);
|
||||
sscanf(buffer, "cpu %llu %llu %llu %llu %llu %llu %llu %llu %llu", &usertime, &nicetime, &systemtime, &idletime, &ioWait, &irq, &softIrq, &steal, &guest);
|
||||
else {
|
||||
ProcessList_read(this, buffer, "cpu%d %llu %llu %llu %llu %llu %llu %llu %llu %llu", &cpuid, &usertime, &nicetime, &systemtime, &idletime, &ioWait, &irq, &softIrq, &steal, &guest);
|
||||
sscanf(buffer, "cpu%d %llu %llu %llu %llu %llu %llu %llu %llu %llu", &cpuid, &usertime, &nicetime, &systemtime, &idletime, &ioWait, &irq, &softIrq, &steal, &guest);
|
||||
assert(cpuid == i - 1);
|
||||
}
|
||||
// Fields existing on kernels >= 2.6
|
||||
@ -862,7 +763,7 @@ void ProcessList_scan(ProcessList* this) {
|
||||
cpuData->guestTime = guest;
|
||||
cpuData->totalTime = totaltime;
|
||||
}
|
||||
float period = (float)this->cpus[0].totalPeriod / cpus; fclose(status);
|
||||
float period = (float)this->cpus[0].totalPeriod / cpus; fclose(file);
|
||||
|
||||
// mark all process as "dirty"
|
||||
for (int i = 0; i < Vector_size(this->processes); i++) {
|
||||
@ -873,7 +774,7 @@ void ProcessList_scan(ProcessList* this) {
|
||||
this->totalTasks = 0;
|
||||
this->runningTasks = 0;
|
||||
|
||||
ProcessList_processEntries(this, PROCDIR, NULL, 0, period);
|
||||
ProcessList_processEntries(this, PROCDIR, NULL, period);
|
||||
|
||||
this->showingThreadNames = this->showThreadNames;
|
||||
|
||||
|
||||
Reference in New Issue
Block a user