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| author | Denis Vlasenko <vda.linux@googlemail.com> | 2008-09-25 10:48:06 +0000 |
|---|---|---|
| committer | Denis Vlasenko <vda.linux@googlemail.com> | 2008-09-25 10:48:06 +0000 |
| commit | 17e7f04c8d144e0e0598464806dcb111ed5386d7 (patch) | |
| tree | 002284cda156b2516c1d3a67352288741d7cd2e5 /libbb/procps.c | |
| parent | e0bcba18eb9c185cefbef2ef05b846f735bd133a (diff) | |
| download | busybox-17e7f04c8d144e0e0598464806dcb111ed5386d7.tar.gz | |
top: optional SMP support by Vineet Gupta (vineetg76 AT gmail.com)
Diffstat (limited to 'libbb/procps.c')
| -rw-r--r-- | libbb/procps.c | 33 |
1 files changed, 26 insertions, 7 deletions
diff --git a/libbb/procps.c b/libbb/procps.c index fd19621db..4d9a95b4f 100644 --- a/libbb/procps.c +++ b/libbb/procps.c @@ -219,7 +219,6 @@ procps_status_t* FAST_FUNC procps_scan(procps_status_t* sp, int flags) #if !ENABLE_FEATURE_FAST_TOP unsigned long vsz, rss; #endif - /* see proc(5) for some details on this */ strcpy(filename_tail, "/stat"); n = read_to_buf(filename, buf); @@ -247,9 +246,12 @@ procps_status_t* FAST_FUNC procps_scan(procps_status_t* sp, int flags) "%lu " /* start_time */ "%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 */ +#if ENABLE_FEATURE_TOP_SMP_PROCESS + "%*s %*s %*s %*s %*s %*s " /*rss_rlim, start_code, end_code, start_stack, kstk_esp, kstk_eip */ + "%*s %*s %*s %*s " /*signal, blocked, sigignore, sigcatch */ + "%*s %*s %*s %*s " /*wchan, nswap, cnswap, exit_signal */ + "%d" /*cpu last seen on*/ +#endif , sp->state, &sp->ppid, &sp->pgid, &sp->sid, &tty, @@ -257,9 +259,19 @@ procps_status_t* FAST_FUNC procps_scan(procps_status_t* sp, int flags) &tasknice, &sp->start_time, &vsz, - &rss); - if (n != 11) + &rss +#if ENABLE_FEATURE_TOP_SMP_PROCESS + , &sp->last_seen_on_cpu +#endif + ); + + if (n < 11) break; +#if ENABLE_FEATURE_TOP_SMP_PROCESS + if (n < 11+15) + sp->last_seen_on_cpu = 0; +#endif + /* vsz is in bytes and we want kb */ sp->vsz = vsz >> 10; /* vsz is in bytes but rss is in *PAGES*! Can you believe that? */ @@ -288,7 +300,15 @@ procps_status_t* FAST_FUNC procps_scan(procps_status_t* sp, int flags) sp->vsz = fast_strtoul_10(&cp) >> 10; /* vsz is in bytes but rss is in *PAGES*! Can you believe that? */ sp->rss = fast_strtoul_10(&cp) << sp->shift_pages_to_kb; +#if ENABLE_FEATURE_TOP_SMP_PROCESS + /* (6): rss_rlim, start_code, end_code, start_stack, kstk_esp, kstk_eip */ + /* (4): signal, blocked, sigignore, sigcatch */ + /* (4): wchan, nswap, cnswap, exit_signal */ + cp = skip_fields(cp, 14); +//FIXME: is it safe to assume this field exists? + sp->last_seen_on_cpu = fast_strtoul_10(&cp); #endif +#endif /* end of !ENABLE_FEATURE_TOP_SMP_PROCESS */ if (sp->vsz == 0 && sp->state[0] != 'Z') sp->state[1] = 'W'; @@ -300,7 +320,6 @@ procps_status_t* FAST_FUNC procps_scan(procps_status_t* sp, int flags) sp->state[2] = 'N'; else sp->state[2] = ' '; - } #if ENABLE_FEATURE_TOPMEM |