X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=fio.1;h=07480f037e224832b35f464aba80559419092a78;hb=6cd4463579e6d6c5db7c7af323525e1ab23b67e7;hp=8d596fb19105df2e6b3aabcbda171cf462f3157e;hpb=3aea75b14510301a80744b417ac08840ccfcf5b3;p=fio.git diff --git a/fio.1 b/fio.1 index 8d596fb1..07480f03 100644 --- a/fio.1 +++ b/fio.1 @@ -30,7 +30,7 @@ dump of the latency buckets. Limit run time to \fIruntime\fR seconds. .TP .B \-\-bandwidth\-log -Generate per-job bandwidth logs. +Generate aggregate bandwidth logs. .TP .B \-\-minimal Print statistics in a terse, semicolon-delimited format. @@ -764,7 +764,7 @@ Example #1: \fBiodepth_batch_complete_max\fR= .RE -which means that we will retrieve at leat 1 IO and up to the +which means that we will retrieve at least 1 IO and up to the whole submitted queue depth. If none of IO has been completed yet, we will wait. @@ -1324,7 +1324,7 @@ fio will fill 1/2/3/4 bytes of the buffer at the time(it can be either a decimal or a hex number). The verify_pattern if larger than a 32-bit quantity has to be a hex number that starts with either "0x" or "0X". Use with \fBverify\fP=str. Also, verify_pattern supports %o format, which means that for -each block offset will be written and then verifyied back, e.g.: +each block offset will be written and then verified back, e.g.: .RS .RS \fBverify_pattern\fR=%o @@ -1462,13 +1462,13 @@ If set, this generates bw/clat/iops log with per file private filenames. If not set, jobs with identical names will share the log filename. Default: true. .TP .BI write_bw_log \fR=\fPstr -If given, write a bandwidth log of the jobs in this job file. Can be used to -store data of the bandwidth of the jobs in their lifetime. The included -fio_generate_plots script uses gnuplot to turn these text files into nice -graphs. See \fBwrite_lat_log\fR for behaviour of given filename. For this -option, the postfix is _bw.x.log, where x is the index of the job (1..N, -where N is the number of jobs). If \fBper_job_logs\fR is false, then the -filename will not include the job index. See the \fBLOG FILE FORMATS\fR +If given, write a bandwidth log for this job. Can be used to store data of the +bandwidth of the jobs in their lifetime. The included fio_generate_plots script +uses gnuplot to turn these text files into nice graphs. See \fBwrite_lat_log\fR +for behaviour of given filename. For this option, the postfix is _bw.x.log, +where x is the index of the job (1..N, where N is the number of jobs). If +\fBper_job_logs\fR is false, then the filename will not include the job index. +See the \fBLOG FILE FORMATS\fR section. .TP .BI write_lat_log \fR=\fPstr @@ -2325,7 +2325,7 @@ IO is a TRIM The \fIoffset\fR is the offset, in bytes, from the start of the file, for that particular IO. The logging of the offset can be toggled with \fBlog_offset\fR. -If windowed logging is enabled though \fBlog_avg_msec\fR, then fio doesn't log +If windowed logging is enabled through \fBlog_avg_msec\fR, then fio doesn't log individual IOs. Instead of logs the average values over the specified period of time. Since \fIdata direction\fR and \fIoffset\fR are per-IO values, they aren't applicable if windowed logging is enabled. If windowed logging