starlingx/monitoring
Code Issues Proposed changes

Schedtop not displaying delay stats

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Enable kernel schedstats which is disabled by default since switching to CentOS.
Adapt to format change.

Change-Id: I70da51eaca0518a8bb09d4b11d6f98b00c857059
Signed-off-by: Scott Little <scott.little@windriver.com>
This commit is contained in:
Tee Ngo 2018-04-10 12:49:48 -04:00 committed by Scott Little
parent 1e75d19c9a
commit de2f57ce6b
2 changed files with 56 additions and 49 deletions
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7
monitor-tools/centos/monitor-tools.spec
View File

@ -32,3 +32,10 @@ install %{_buildsubdir}/occtop %{buildroot}/usr/bin
%defattr(-,root,root,-)
/usr/bin/*
%post
grep schedstats /etc/sysctl.conf
if [ $? -ne 0 ]; then
echo -e "\nkernel.sched_schedstats=1" >> /etc/sysctl.conf
sysctl -p &>/dev/null
fi
exit 0

92
monitor-tools/scripts/schedtop
View File

@ -603,50 +603,50 @@ sub read_sched
$pid = $::tids{$tid};
# NOTE: Format change over time: OLD: se.statistics.X, NEW: se.statistics->X
#cat /proc/1/sched
#init (1, #threads: 1)
#---------------------------------------------------------
#se.exec_start : 465303823.781710
#se.vruntime : 8593378.836250
#se.sum_exec_runtime : 5858.837187
#se.statistics.wait_start : 0.000000
#se.statistics.sleep_start : 465303823.781710
#se.statistics.block_start : 0.000000
#se.statistics.sleep_max : 5124.647630
#se.statistics.block_max : 0.009897
#se.statistics.exec_max : 2.198575
#se.statistics.slice_max : 0.136734
#se.statistics.wait_max : 19.968956
#se.statistics.wait_sum : 256.424005
#se.statistics.wait_count : 52480
#se.statistics.iowait_sum : 0.000000
#se.statistics.iowait_count : 0
#se.nr_migrations : 0
#se.statistics.nr_migrations_cold : 0
#se.statistics.nr_failed_migrations_affine: 0
#se.statistics.nr_failed_migrations_running: 0
#se.statistics.nr_failed_migrations_hot: 0
#se.statistics.nr_forced_migrations : 0
#se.statistics.nr_wakeups : 51887
#se.statistics.nr_wakeups_sync : 0
#se.statistics.nr_wakeups_migrate : 0
#se.statistics.nr_wakeups_local : 51886
#se.statistics.nr_wakeups_remote : 1
#se.statistics.nr_wakeups_affine : 0
#se.statistics.nr_wakeups_affine_attempts: 0
#se.statistics.nr_wakeups_passive : 0
#se.statistics.nr_wakeups_idle : 0
#avg_atom : 0.058721
#avg_per_cpu : 0.000001
#nr_switches : 99774
#nr_voluntary_switches : 94546
#nr_involuntary_switches : 5228
#systemd (1, #threads: 1)
#-------------------------------------------------------------------
#se.exec_start : 33792676.285222
#se.vruntime : 28019997.693224
#se.sum_exec_runtime : 21918.207287
#se.nr_migrations : 5413
#se.statistics->sum_sleep_runtime : 1166561.198533
#se.statistics->wait_start : 0.000000
#se.statistics->sleep_start : 33792676.285222
#se.statistics->block_start : 0.000000
#se.statistics->sleep_max : 18951.679990
#se.statistics->block_max : 0.000000
#se.statistics->exec_max : 0.909747
#se.statistics->slice_max : 1.790123
#se.statistics->wait_max : 4.026544
#se.statistics->wait_sum : 507.245963
#se.statistics->wait_count : 2540
#se.statistics->iowait_sum : 0.000000
#se.statistics->iowait_count : 0
#se.statistics->nr_migrations_cold : 0
#se.statistics->nr_failed_migrations_affine : 67
#se.statistics->nr_failed_migrations_running : 1
#se.statistics->nr_failed_migrations_hot : 1
#se.statistics->nr_forced_migrations : 0
#se.statistics->nr_wakeups : 2472
#se.statistics->nr_wakeups_sync : 34
#se.statistics->nr_wakeups_migrate : 176
#se.statistics->nr_wakeups_local : 1442
#se.statistics->nr_wakeups_remote : 1030
#se.statistics->nr_wakeups_affine : 155
#se.statistics->nr_wakeups_affine_attempts : 969
#se.statistics->nr_wakeups_passive : 0
#se.statistics->nr_wakeups_idle : 0
#avg_atom : 0.286970
#avg_per_cpu : 4.049179
#nr_switches : 76378
#nr_voluntary_switches : 72308
#nr_involuntary_switches : 4070
#se.load.weight : 1024
#policy : 0
#prio : 120
#migrate_disable : 0
#rt.nr_cpus_allowed : 45
#clock-delta : 68
#clock-delta : 28
# parse /proc/<pid>/task/<tid>/sched
$file = '/proc/' . $pid . '/task/' . $tid . '/sched';
@ -657,17 +657,17 @@ sub read_sched
}
my ($k, $v, $c0);
LOOP_SCHED: while (<$fh>) {
if (/^se\.statistics\.wait_max\s+:\s+(\S+)/) {
if (/^se\.statistics.{1,2}wait_max\s+:\s+(\S+)/) {
$wait_max = $1;
} elsif (/^se\.statistics\.wait_sum\s+:\s+(\S+)/) {
} elsif (/^se\.statistics.{1,2}wait_sum\s+:\s+(\S+)/) {
$wait_sum = $1;
} elsif (/^se\.statistics\.wait_count\s+:\s+(\S+)/) {
} elsif (/^se\.statistics.{1,2}wait_count\s+:\s+(\S+)/) {
$wait_count = $1;
} elsif (/^se\.statistics\.exec_max\s+:\s+(\S+)/) {
} elsif (/^se\.statistics.{1,2}exec_max\s+:\s+(\S+)/) {
$exec_max = $1;
} elsif (/^se\.statistics\.iowait_sum\s+:\s+(\S+)/) {
} elsif (/^se\.statistics.{1,2}iowait_sum\s+:\s+(\S+)/) {
$iowait_sum = $1;
} elsif (/^se\.statistics\.iowait_count\s+:\s+(\S+)/) {
} elsif (/^se\.statistics.{1,2}iowait_count\s+:\s+(\S+)/) {
$iowait_count = $1;
} elsif (/^se\.sum_exec_runtime\s+:\s+(\S+)/) {
$exec_runtime = $1;