mirror of https://github.com/xzeldon/htop.git
Added additional column to monitor OOM killer score of each process
This commit is contained in:
Leigh Simpson
parent
558b001e2b
commit
da236ca318
28
Process.c
28
Process.c
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@ -81,6 +81,9 @@ typedef enum ProcessField_ {
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#ifdef HAVE_CGROUP
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CGROUP,
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#endif
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#ifdef HAVE_OOM
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OOM,
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#endif
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IO_PRIORITY,
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LAST_PROCESSFIELD
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} ProcessField;
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@ -177,6 +180,9 @@ typedef struct Process_ {
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#ifdef HAVE_CGROUP
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char* cgroup;
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#endif
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#ifdef HAVE_OOM
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unsigned int oom;
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#endif
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} Process;
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}*/
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@ -202,6 +208,9 @@ const char *Process_fieldNames[] = {
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#endif
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#ifdef HAVE_CGROUP
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"CGROUP",
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#endif
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#ifdef HAVE_OOM
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"OOM",
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#endif
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"IO_PRIORITY",
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"*** report bug! ***"
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@ -228,6 +237,9 @@ const int Process_fieldFlags[] = {
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#endif
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#ifdef HAVE_CGROUP
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PROCESS_FLAG_CGROUP,
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#endif
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#ifdef HAVE_OOM
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0,
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#endif
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PROCESS_FLAG_IOPRIO
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};
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@ -253,6 +265,9 @@ const char *Process_fieldTitles[] = {
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#endif
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#ifdef HAVE_CGROUP
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" CGROUP ",
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#endif
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#ifdef HAVE_OOM
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" OOM ",
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#endif
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"IO ",
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"*** report bug! ***"
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@ -276,6 +291,9 @@ void Process_getMaxPid() {
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Process_fieldTitles[TGID] = " TGID ";
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Process_fieldTitles[PGRP] = " PGRP ";
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Process_fieldTitles[SESSION] = " SESN ";
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#ifdef HAVE_OOM
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Process_fieldTitles[OOM] = " OOM ";
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#endif
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Process_pidFormat = "%7u ";
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Process_tpgidFormat = "%7d ";
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} else {
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@ -285,6 +303,9 @@ void Process_getMaxPid() {
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Process_fieldTitles[TGID] = " TGID ";
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Process_fieldTitles[PGRP] = " PGRP ";
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Process_fieldTitles[SESSION] = " SESN ";
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#ifdef HAVE_OOM
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Process_fieldTitles[OOM] = " OOM ";
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#endif
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Process_pidFormat = "%5u ";
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Process_tpgidFormat = "%5d ";
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}
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@ -545,6 +566,9 @@ static void Process_writeField(Process* this, RichString* str, ProcessField fiel
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#ifdef HAVE_CGROUP
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case CGROUP: snprintf(buffer, n, "%-10s ", this->cgroup); break;
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#endif
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#ifdef HAVE_OOM
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case OOM: snprintf(buffer, n, Process_pidFormat, this->oom); break;
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#endif
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case IO_PRIORITY: {
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int klass = IOPriority_class(this->ioPriority);
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if (klass == IOPRIO_CLASS_NONE) {
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@ -814,6 +838,10 @@ int Process_compare(const void* v1, const void* v2) {
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case CGROUP:
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return strcmp(p1->cgroup ? p1->cgroup : "", p2->cgroup ? p2->cgroup : "");
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#endif
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#ifdef HAVE_OOM
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case OOM:
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return (p1->oom - p2->oom);
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#endif
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case IO_PRIORITY:
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return Process_effectiveIOPriority(p1) - Process_effectiveIOPriority(p2);
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default:
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@ -60,6 +60,9 @@ typedef enum ProcessField_ {
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#ifdef HAVE_CGROUP
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CGROUP,
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#endif
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#ifdef HAVE_OOM
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OOM,
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#endif
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IO_PRIORITY,
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LAST_PROCESSFIELD
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} ProcessField;
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@ -156,6 +159,9 @@ typedef struct Process_ {
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#ifdef HAVE_CGROUP
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char* cgroup;
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#endif
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#ifdef HAVE_OOM
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unsigned int oom;
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#endif
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} Process;
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@ -660,6 +660,28 @@ static void ProcessList_readVServerData(Process* process, const char* dirname, c
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#endif
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#ifdef HAVE_OOM
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static void ProcessList_readOomData(Process* process, const char* dirname, const char* name) {
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char filename[MAX_NAME+1];
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snprintf(filename, MAX_NAME, "%s/%s/oom_score", 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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if (!fgets(buffer, 255, file)) {
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return;
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}
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unsigned int oom;
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int ok = sscanf(buffer, "%u", &oom);
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if (ok >= 1) {
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process->oom = oom;
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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_readCmdlineFile(Process* process, const char* dirname, const char* name) {
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if (Process_isKernelThread(process))
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return true;
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@ -784,6 +806,10 @@ static bool ProcessList_processEntries(ProcessList* this, const char* dirname, P
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ProcessList_readVServerData(process, dirname, name);
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#endif
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#ifdef HAVE_OOM
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ProcessList_readOomData(process, dirname, name);
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#endif
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if (! ProcessList_readCmdlineFile(process, dirname, name))
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goto errorReadingProcess;
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@ -172,6 +172,10 @@ void ProcessList_sort(ProcessList* this);
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#endif
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#ifdef HAVE_OOM
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#endif
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void ProcessList_scan(ProcessList* this);
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@ -145,5 +145,10 @@ then
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AC_CHECK_HEADERS([hwloc.h],[:], [missing_headers="$missing_headers $ac_header"])
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fi
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AC_ARG_ENABLE(oom, [AC_HELP_STRING([--enable-oom], [enable OOM score reporting])], ,enable_oom="no")
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if test "x$enable_oom" = xyes; then
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AC_DEFINE(HAVE_OOM, 1, [Define if OOM score support enabled.])
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fi
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AC_CONFIG_FILES([Makefile htop.1])
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AC_OUTPUT
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