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Record job start time to fix time pain points #1621

Merged
merged 2 commits into from
Sep 11, 2023
Merged

Record job start time to fix time pain points #1621

merged 2 commits into from
Sep 11, 2023

Commits on Sep 8, 2023

  1. Record job start time to fix time pain points 

    Add a new key in the json per-job output, job_start, that records the
job start time obtained via a call to clock_gettime using the clock_id
specified by the new job_start_clock_id option. This allows times of fio
jobs and log entries to be compared/ordered against each other and
against other system events recorded against the same clock_id.

Add a note to the documentation for group_reporting about how there are
several per-job values for which only the first job's value is recorded
in the json output format when group_reporting is enabled.

Fixes axboe#1544

Signed-off-by: Nick Neumann nick@pcpartpicker.com
    @aggieNick02
    aggieNick02 committed Sep 8, 2023
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  2. Make log_unix_epoch an official alias of log_alternate_epoch 

    log_alternate_epoch was introduced along with
log_alternate_epoch_clock_id, and generalized the idea of
log_unix_epoch. Both options had the same effect. So we make
log_unix_epoch an official alias of log_alternate_epoch, instead of
maintaining both redundant options.

Signed-off-by: Nick Neumann nick@pcpartpicker.com
    @aggieNick02
    aggieNick02 committed Sep 8, 2023
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