On Tue, Jul 17, 2018 at 9:18 AM, Elliott, Robert (Persistent Memory) <elliott@xxxxxxx> wrote: > > >> -----Original Message----- >> From: fio-owner@xxxxxxxxxxxxxxx <fio-owner@xxxxxxxxxxxxxxx> On Behalf >> Of Friendy.Su@xxxxxxxx >> Sent: Tuesday, July 17, 2018 2:46 AM >> To: fio@xxxxxxxxxxxxxxx >> Cc: No.Tanaka@xxxxxxxx; Hajime.Tomura@xxxxxxxx; Friendy.Su@xxxxxxxx >> Subject: [PATCH] idle-prof: append output cpu idleness data to terse >> log >> >> cpu idleness data only output to normal and json log, >> also output to terse log. >> >> Signed-off-by: friendy-su <friendy.su@xxxxxxxx> >> --- >> HOWTO | 4 +++- >> idletime.c | 19 +++++++++++++++++++ >> stat.c | 2 ++ >> 3 files changed, 24 insertions(+), 1 deletion(-) >> >> diff --git a/HOWTO b/HOWTO >> index 70eed280..497e8cb1 100644 >> --- a/HOWTO >> +++ b/HOWTO >> @@ -3564,8 +3564,10 @@ will be a disk utilization section. >> Below is a single line containing short names for each of the fields >> in the >> minimal output v3, separated by semicolons:: >> >> - >> terse_version_3;fio_version;jobname;groupid;error;read_kb;read_bandwi > ... >> + >> terse_version_3;fio_version;jobname;groupid;error;read_kb;read_bandwi > ... > > Since the terse format is not self-describing, new fields require > a version bump (see -terse-version). > > Maybe one of the versions should print out the field names as the first > line, so it becomes self-describing. I guess the json format already > provides that functionality, so it might not be necessary. > How about adding an extra command option like --terse-header that prints out the header only? It is hard to keep track of these version changes in one place at the user manual or some blog post. with a terse header command option, I can ignore the terse version and adjust my test scripts to query the header first before running the test, then pull the right column after the test finishes. -- To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html