diff options
| -rw-r--r-- | man/distcc.1 | 8 | ||||
| -rw-r--r-- | src/where.c | 11 |
2 files changed, 16 insertions, 3 deletions
diff --git a/man/distcc.1 b/man/distcc.1 index 8f6223c..e335d05 100644 --- a/man/distcc.1 +++ b/man/distcc.1 @@ -769,6 +769,14 @@ takes a long time, consider increasing this value so the job does not time out and fallback to a local compile. By default set to 300 seconds. .TP +.B "DISTCC_PAUSE_TIME_MSEC" +Specifies how long (in milliseconds) distcc will pause when all +compilation servers are in use. +By default set to 1000 milliseconds (1 second). +Setting this to a smaller value (e.g. 10 milliconds) may improve +throughput for some configurations, at the expense of increased CPU +load on the distcc client machine. +.TP .B "DISTCC_SAVE_TEMPS" If set to 1, temporary files are not deleted after use. Good for debugging, or if your disks are too empty. diff --git a/src/where.c b/src/where.c index 6e4c5dd..6bd3168 100644 --- a/src/where.c +++ b/src/where.c @@ -122,15 +122,20 @@ static void dcc_lock_pause(void) * really necessary, and also by making jobs complete very-out-of-order is * more likely to find Makefile bugs. */ - unsigned pause_time = 1; + unsigned pause_time_ms = 1000; + + char *pt = getenv("DISTCC_PAUSE_TIME_MSEC"); + if (pt) + pause_time_ms = atoi(pt); /* This call to dcc_note_state() is made before the host is known, so it does not make sense and does nothing useful as far as I can tell. */ /* dcc_note_state(DCC_PHASE_BLOCKED, NULL, NULL, DCC_UNKNOWN); */ - rs_trace("nothing available, sleeping %us...", pause_time); + rs_trace("nothing available, sleeping %ums...", pause_time_ms); - sleep(pause_time); + if (pause_time_ms > 0) + usleep(pause_time_ms * 1000); } |