From 8423bd1106a0a988b1e19408f5059bf4275fa02b Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Thu, 12 Apr 2012 09:18:38 +0200 Subject: [PATCH] Document the use of the USR1 signal for dumping runtime statistics Signed-off-by: Jens Axboe --- HOWTO | 3 +++ fio.1 | 4 ++++ 2 files changed, 7 insertions(+) diff --git a/HOWTO b/HOWTO index 92ce05d2..aa5a6f0d 100644 --- a/HOWTO +++ b/HOWTO @@ -1448,6 +1448,9 @@ io_queue= Total time spent in the disk queue. util= The disk utilization. A value of 100% means we kept the disk busy constantly, 50% would be a disk idling half of the time. +It is also possible to get fio to dump the current output while it is +running, without terminating the job. To do that, send fio the USR1 signal. + 7.0 Terse output ---------------- diff --git a/fio.1 b/fio.1 index bcae37ba..969c4a14 100644 --- a/fio.1 +++ b/fio.1 @@ -1203,6 +1203,10 @@ Total time spent in the disk queue. Disk utilization. .RE .PD +.P +It is also possible to get fio to dump the current output while it is +running, without terminating the job. To do that, send fio the \fBUSR1\fR +signal. .SH TERSE OUTPUT If the \fB\-\-minimal\fR option is given, the results will be printed in a semicolon-delimited format suitable for scripted use - a job description -- 2.25.1