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| author | Denis Vlasenko <vda.linux@googlemail.com> | 2007-04-19 14:46:14 +0000 |
|---|---|---|
| committer | Denis Vlasenko <vda.linux@googlemail.com> | 2007-04-19 14:46:14 +0000 |
| commit | 516a0ca2dc92d9ea103535863102cc5425fe648e (patch) | |
| tree | 4685bf59c11f898fad44f6e38cde3d16e43c723d /libbb/procps.c | |
| parent | c34d35557b0eeb1971b65f7fb10b814295d61734 (diff) | |
| download | busybox-516a0ca2dc92d9ea103535863102cc5425fe648e.tar.gz | |
ps: add -o tty and -o rss support
1373 14 24 1411 583 busybox.t1/procps/ps.o
1462 14 24 1500 5dc busybox.t2/procps/ps.o
Diffstat (limited to 'libbb/procps.c')
| -rw-r--r-- | libbb/procps.c | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/libbb/procps.c b/libbb/procps.c index c9dcfde0c..053f7d225 100644 --- a/libbb/procps.c +++ b/libbb/procps.c @@ -144,6 +144,9 @@ procps_status_t* procps_scan(procps_status_t* sp, int flags) if (flags & PSSCAN_STAT) { char *cp; + unsigned long vsz, rss; + int tty; + /* see proc(5) for some details on this */ strcpy(filename_tail, "/stat"); n = read_to_buf(filename, buf); @@ -158,33 +161,46 @@ procps_status_t* procps_scan(procps_status_t* sp, int flags) sscanf(buf, "%*s (%15c", sp->comm); n = sscanf(cp+2, "%c %u " /* state, ppid */ - "%u %u %*s %*s " /* pgid, sid, tty, tpgid */ + "%u %u %d %*s " /* pgid, sid, tty, tpgid */ "%*s %*s %*s %*s %*s " /* flags, min_flt, cmin_flt, maj_flt, cmaj_flt */ "%lu %lu " /* utime, stime */ "%*s %*s %*s " /* cutime, cstime, priority */ "%ld " /* nice */ "%*s %*s %*s " /* timeout, it_real_value, start_time */ - "%lu ", /* vsize */ + "%lu " /* vsize */ + "%lu " /* rss */ + /* "%lu %lu %lu %lu %lu %lu " rss_rlim, start_code, end_code, start_stack, kstk_esp, kstk_eip */ + /* "%u %u %u %u " signal, blocked, sigignore, sigcatch */ + /* "%lu %lu %lu" wchan, nswap, cnswap */ + , sp->state, &sp->ppid, - &sp->pgid, &sp->sid, + &sp->pgid, &sp->sid, &tty, &sp->utime, &sp->stime, &tasknice, - &sp->vsz); - if (n != 8) + &vsz, + &rss); + if (n != 10) break; + sp->tty_str[0] = '?'; + /* sp->tty_str[1] = '\0'; - done by memset */ + if (tty >= 0) /* tty field of "-1" means "no tty" */ + snprintf(sp->tty_str, sizeof(sp->tty_str), "%u,%u", + (tty >> 8) & 0xfff, /* major */ + (tty & 0xff) | ((tty >> 12) & 0xfff00)); if (sp->vsz == 0 && sp->state[0] != 'Z') sp->state[1] = 'W'; else sp->state[1] = ' '; if (tasknice < 0) sp->state[2] = '<'; - else if (tasknice > 0) + else if (tasknice) /* > 0 */ sp->state[2] = 'N'; else sp->state[2] = ' '; - sp->vsz >>= 10; /* vsize is in bytes and we want kb */ + sp->vsz = vsz >> 10; /* vsize is in bytes and we want kb */ + sp->rss = rss >> 10; } if (flags & PSSCAN_CMD) { |