diff options
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | Doc/Zsh/params.yo | 14 | ||||
| -rw-r--r-- | Src/jobs.c | 53 |
3 files changed, 58 insertions, 14 deletions
@@ -1,3 +1,8 @@ +2016-06-13 Peter Stephenson <p.stephenson@samsung.com> + + * users/21632: Doc/Zsh/params.yo, Src/jobs.c: REPORTMEMORY + parameter gives minimum size to trigger usage report. + 2016-06-13 Daniel Shahaf <d.s@daniel.shahaf.name> * 38653 + 38657: Doc/Zsh/builtins.yo, Src/exec.c, diff --git a/Doc/Zsh/params.yo b/Doc/Zsh/params.yo index d23c459a0..b02d24efe 100644 --- a/Doc/Zsh/params.yo +++ b/Doc/Zsh/params.yo @@ -1390,6 +1390,20 @@ item(tt(READNULLCMD) <S>)( The command name to assume if a single input redirection is specified with no command. Defaults to tt(more). ) +vindex(REPORTMEMORY) +item(tt(REPORTMEMORY))( +If nonnegative, commands whose maximum resident set size (roughly +speaking, main memory usage) in megabytes is greater than this +value have timing statistics reported. The format used to output +statistics is the value of the tt(TIMEFMT) parameter, which is the same +as for the tt(REPORTTIME) variable and the tt(time) builtin; note that +by default this does not output memory usage. Appending +tt(" max RSS %M") to the value of tt(TIMEFMT) causes it to output the +value that triggered the report. If tt(REPORTTIME) is also in use, +at most a single report is printed for both triggers. This feature +requires the tt(getrusage()) system call, commonly supported by modern +Unix-like systems. +) vindex(REPORTTIME) item(tt(REPORTTIME))( If nonnegative, commands whose combined user and system execution times diff --git a/Src/jobs.c b/Src/jobs.c index 04cb6b344..3db2ed01f 100644 --- a/Src/jobs.c +++ b/Src/jobs.c @@ -884,37 +884,62 @@ should_report_time(Job j) struct value vbuf; Value v; char *s = "REPORTTIME"; - zlong reporttime; + zlong reporttime = -1; +#ifdef HAVE_GETRUSAGE + char *sm = "REPORTMEMORY"; + zlong reportmemory = -1; +#endif /* if the time keyword was used */ if (j->stat & STAT_TIMED) return 1; queue_signals(); - if (!(v = getvalue(&vbuf, &s, 0)) || - (reporttime = getintvalue(v)) < 0) { - unqueue_signals(); - return 0; - } + if ((v = getvalue(&vbuf, &s, 0))) + reporttime = getintvalue(v); +#ifdef HAVE_GETRUSAGE + if ((v = getvalue(&vbuf, &sm, 0))) + reportmemory = getintvalue(v); +#endif unqueue_signals(); + if (reporttime < 0 +#ifdef HAVE_GETRUSAGE + && reportmemory < 0 +#endif + ) + return 0; /* can this ever happen? */ if (!j->procs) return 0; if (zleactive) return 0; + if (reporttime >= 0) + { #ifdef HAVE_GETRUSAGE - reporttime -= j->procs->ti.ru_utime.tv_sec + j->procs->ti.ru_stime.tv_sec; - if (j->procs->ti.ru_utime.tv_usec + - j->procs->ti.ru_stime.tv_usec >= 1000000) - reporttime--; - return reporttime <= 0; + reporttime -= j->procs->ti.ru_utime.tv_sec + + j->procs->ti.ru_stime.tv_sec; + if (j->procs->ti.ru_utime.tv_usec + + j->procs->ti.ru_stime.tv_usec >= 1000000) + reporttime--; + if (reporttime <= 0) + return 1; #else - { - clktck = get_clktck(); - return ((j->procs->ti.ut + j->procs->ti.st) / clktck >= reporttime); + { + clktck = get_clktck(); + if ((j->procs->ti.ut + j->procs->ti.st) / clktck >= reporttime) + return 1; + } +#endif } + +#ifdef HAVE_GETRUSAGE + if (reportmemory >= 0 && + j->procs->ti.ru_maxrss / 1024 > reportmemory) + return 1; #endif + + return 0; } /* !(lng & 3) means jobs * |