mirror of https://github.com/BOINC/boinc.git
112 lines
2.1 KiB
C++
112 lines
2.1 KiB
C++
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#include <stdio.h>
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// see:
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// man 5 proc
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// /usr/src/linux/fs/proc/array.C
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struct PROC_INFO {
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int pid;
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char comm[256];
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char state;
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int ppid;
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int pgrp;
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int session;
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int tty_nr;
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int tpgid;
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unsigned long flags;
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unsigned long minflt;
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unsigned long cminflt;
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unsigned long majflt;
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unsigned long cmajflt;
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unsigned long utime;
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unsigned long stime;
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int cutime;
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int cstime;
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int priority;
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int nice;
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int zero;
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int itrealvalue;
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unsigned long starttime;
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unsigned long vsize;
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int rss;
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unsigned long rlim;
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unsigned long startcode;
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unsigned long endcode;
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unsigned long startstack;
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unsigned long kstkesp;
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unsigned long kstkeip;
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unsigned long signal;
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unsigned long blocked;
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unsigned long sigignore;
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unsigned long sigcatch;
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unsigned long wchan;
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unsigned long nswap;
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unsigned long cnswap;
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int exit_signal;
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int processor;
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int parse(char*);
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};
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int PROC_INFO::parse(char* buf) {
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int n = sscanf(buf, "%d %s %c %d %d %d %d %d "
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"%lu %lu %lu %lu %lu %lu %lu "
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"%ld %ld %ld %ld %ld %ld "
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"%lu %lu "
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"%ld "
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"%lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu "
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"%d %d",
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&pid,
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&comm,
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&state,
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&ppid,
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&pgrp,
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&session,
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&tty_nr,
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&tpgid,
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&flags,
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&minflt,
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&cminflt,
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&majflt,
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&cmajflt,
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&utime,
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&stime,
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&cutime,
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&cstime,
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&priority,
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&nice,
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&zero,
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&itrealvalue,
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&starttime,
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&vsize,
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&rss,
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&rlim,
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&startcode,
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&endcode,
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&startstack,
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&kstkesp,
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&kstkeip,
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&signal,
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&blocked,
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&sigignore,
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&sigcatch,
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&wchan,
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&nswap,
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&cnswap
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);
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printf("read %d items\n", n);
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return 0;
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}
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int main() {
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PROC_INFO pi;
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char buf[1024];
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FILE* f = fopen("/proc/13690/stat", "r");
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fgets(buf, 1024, f);
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pi.parse(buf);
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printf("pid %d comm (%s) ut %lu st %lu cut %lu cst %lu\n",
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pi.pid, pi.comm,
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pi.utime, pi.stime, pi.cutime, pi.cstime
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);
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}
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