In the email from понедельник, 13 сентября 2021 г. 21:23:01 +03 user Jan 
Kiszka wrote:
> On 13.09.21 17:03, Uladzimir Bely wrote:
> > OE uses buildstats to analyze build performance. This patchset ports
> > this functionality to Isar.
> > 
> > Build statistics is collected in $BUILDDIR/tmp/buildstats and can be
> > converted to PDF file or viewed directly.
> 
> Do you have some example to share? What can be done with those stats?
> Any insights they already provided on the isar build itself?
> 
> Jan
> 

Yes, I've attached a resulting PDF file.

The files with statistics (per-task) look like:

> # cat tmp/buildstats/20210911054429/libhello-0.1-98f2e41-r0/do_dpkg_build

> Event: TaskStarted 
> Started: 1631339274.20 
> libhello-0.1-98f2e41-r0: do_dpkg_build
> Elapsed time: 23.14 seconds
> utime: 5
> stime: 1
> cutime: 296
> cstime: 60
> IO rchar: 68567001
> IO wchar: 8422571
> IO syscr: 38933
> IO syscw: 13329
> IO read_bytes: 12288
> IO write_bytes: 7458816
> IO cancelled_write_bytes: 2174976
> rusage ru_utime: 0.058727999999999995
> rusage ru_stime: 0.010676999999999999
> rusage ru_maxrss: 35348
> rusage ru_minflt: 5000
> rusage ru_majflt: 0
> rusage ru_inblock: 0
> rusage ru_oublock: 96
> rusage ru_nvcsw: 238
> rusage ru_nivcsw: 0
> Child rusage ru_utime: 2.966387
> Child rusage ru_stime: 0.609613
> Child rusage ru_maxrss: 33004
> Child rusage ru_minflt: 552727
> Child rusage ru_majflt: 0
> Child rusage ru_inblock: 24
> Child rusage ru_oublock: 14472
> Child rusage ru_nvcsw: 9123
> Child rusage ru_nivcsw: 507
> Status: PASSED 
> Ended: 1631339297.35 

-- 
Uladzimir Bely
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