diff options
Diffstat (limited to 'src/ProcMonitor.c')
| -rw-r--r-- | src/ProcMonitor.c | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/src/ProcMonitor.c b/src/ProcMonitor.c new file mode 100644 index 0000000..05a0315 --- /dev/null +++ b/src/ProcMonitor.c @@ -0,0 +1,156 @@ +#ifdef HAVE_CONFIG_H +# include "SctConfig.h" +#endif + +#include "SctConst.h" +#include "SctCommon.h" +#include "ProcCommon.h" + +#include <stdio.h> +#include <string.h> + +#include <pthread.h> +#include <semaphore.h> + + +void* sctproc_monitor(void* arg){ + return NULL; +} + +#if 0 +void* sctjudge_displaytime(void* arg){ + struct timespec timeinit, timecur, timepast; + struct timespec timesleep; + struct timespec timeexpire; + + timesleep.tv_sec = 0; + timesleep.tv_nsec = (*(long*)arg); + +#ifdef HAVE_CONF_PROCMON_LINUX + int i; + + pid_t pidcopy; + + const char* sysstatfile = WITH_LINUXPROC"/stat"; + char statfile[25], statusfile[25]; + FILE *statp, *statusp, *sysstatp; + + int strlencount, cpuinfostore; + char firstrun = 1, hdrstore[10]; + + unsigned long cpuuser, cpusystem, precpuuser, precpusystem; + unsigned long syscpuall, presyscpuall, diffsyscpuall; + + unsigned short res_cpuuser, res_cpusystem; + unsigned long vmsize; +#endif + + pthread_mutex_lock(&tdisplay_mx); + tdisplay_yes = 1; + pthread_mutex_unlock(&tdisplay_mx); + + sem_wait(&dispthr); + +#ifndef HAVE_CONF_CAP + enable_setuid(); +#endif + + clock_gettime(CLOCK_REALTIME, &timeinit); + +#ifdef HAVE_CONF_PROCMON_LINUX + pthread_mutex_lock(&pidmutex); + pidcopy = pidchild; + pthread_mutex_unlock(&pidmutex); +#endif + +#ifdef HAVE_CONF_PROCMON_LINUX + sprintf(statfile, WITH_LINUXPROC"/%d/stat", pidcopy); + sprintf(statusfile, WITH_LINUXPROC"/%d/status", pidcopy); +#endif + + do{ + clock_gettime(CLOCK_REALTIME, &timecur); + difftimespec(&timeinit, &timecur, &timepast); + printf("\r%4ld.%03ld 秒", timepast.tv_sec, + timepast.tv_nsec / 1000000); +#ifdef HAVE_CONF_PROCMON_LINUX + statp = fopen(statfile, "r"); + statusp = fopen(statusfile, "r"); + sysstatp = fopen(sysstatfile, "r"); + if(statp != NULL && statusp != NULL && sysstatp != NULL){ + strlencount = 0; + while(getc(statusp) != '\n'){ + strlencount++; + } + strlencount -= 8; /* 把前面的「Name: 」這 8 個字去掉 */ + /* 接下來從 /proc/[PID]/stat 取得 CPU 時間 */ + fscanf(statp, "%*d"); /* 讀掉 PID */ + while(getc(statp) != '('); /* 讀掉 command name 的左括弧 */ + for(i=1; i<= strlencount; i++){ /* 讀掉整個 command name */ + getc(statp); + } + while(getc(statp) != ')'); /* 讀掉 command name 的右括弧 */ + fscanf(statp, "%*s %*d %*d %*d %*d %*d %*u %*u %*u %*u %*u" + "%lu %lu %*d %*d %*d %*d %*d %*d %*u %lu", + &cpuuser, &cpusystem, &vmsize); + syscpuall = 0; + while(!feof(sysstatp)){ + fscanf(sysstatp, "%9s", hdrstore); + if(!strcmp(hdrstore, "cpu")){ + while(fscanf(sysstatp, "%d", &cpuinfostore) == 1){ + syscpuall += cpuinfostore; + } + break; + }else{ + while(getchar() != '\n'); + } + } + if(!firstrun){ + diffsyscpuall = syscpuall - presyscpuall; + if(diffsyscpuall){ + res_cpuuser = 1000 * (cpuuser - precpuuser) / + diffsyscpuall; + res_cpusystem = 1000 * (cpusystem - precpusystem) / + diffsyscpuall; + printf(" user%%: %2d.%d sys%%: %2d.%d", + res_cpuuser / 10, res_cpuuser % 10, + res_cpusystem / 10, res_cpusystem % 10); + }else{ + fputs(" user%: ? sys%: ? ", stdout); + } + }else{ + fputs(" user%: ? sys%: ? ", stdout); + } + precpuuser = cpuuser; + precpusystem = cpusystem; + presyscpuall = syscpuall; + printf(" VM: %lu KiB", vmsize / 1024); + fputs(" ", stdout); + } + if(statp != NULL){ + fclose(statp); + } + if(statusp != NULL){ + fclose(statusp); + } + if(sysstatp != NULL){ + fclose(sysstatp); + } + firstrun = 0; +#endif + fflush(stdout); + + clock_gettime(CLOCK_REALTIME, &timecur); + timeexpire.tv_sec = timecur.tv_sec + timesleep.tv_sec; + timeexpire.tv_nsec = timecur.tv_nsec + timesleep.tv_nsec; + checktimespec(&timeexpire); + }while(sem_timedwait(&dispthr, &timeexpire)); + + pthread_mutex_lock(&tdisplay_mx); + tdisplay_yes = 0; + pthread_mutex_unlock(&tdisplay_mx); + + return NULL; +} + +#endif |