mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-06 02:50:43 +00:00
rcutorture: Print measure of batching efficiency
This commit adds a line giving the number of grace periods, the number of batches, and the ratio. The larger the ratio, the greater the batching efficiency. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
parent
2094c99558
commit
e588f35492
1 changed files with 16 additions and 10 deletions
|
@ -34,33 +34,38 @@ fi
|
||||||
|
|
||||||
configfile=`echo $i | sed -e 's/^.*\///'`
|
configfile=`echo $i | sed -e 's/^.*\///'`
|
||||||
|
|
||||||
grep -e '-perf:.*writer-duration' $i/console.log | sed -e 's/^\[[^]]*]//' |
|
sed -e 's/^\[[^]]*]//' < $i/console.log |
|
||||||
awk '
|
awk '
|
||||||
{
|
/-perf: .* gps: .* batches:/ {
|
||||||
|
ngps = $9;
|
||||||
|
nbatches = $11;
|
||||||
|
}
|
||||||
|
|
||||||
|
/-perf: .*writer-duration/ {
|
||||||
gptimes[++n] = $5 / 1000.;
|
gptimes[++n] = $5 / 1000.;
|
||||||
sum += $5 / 1000.;
|
sum += $5 / 1000.;
|
||||||
}
|
}
|
||||||
|
|
||||||
END {
|
END {
|
||||||
if (NR <= 0) {
|
newNR = asort(gptimes);
|
||||||
|
if (newNR <= 0) {
|
||||||
print "No rcuperf records found???"
|
print "No rcuperf records found???"
|
||||||
exit;
|
exit;
|
||||||
}
|
}
|
||||||
asort(gptimes);
|
pct50 = int(newNR * 50 / 100);
|
||||||
pct50 = int(NR * 50 / 100);
|
|
||||||
if (pct50 < 1)
|
if (pct50 < 1)
|
||||||
pct50 = 1;
|
pct50 = 1;
|
||||||
pct90 = int(NR * 90 / 100);
|
pct90 = int(newNR * 90 / 100);
|
||||||
if (pct90 < 1)
|
if (pct90 < 1)
|
||||||
pct90 = 1;
|
pct90 = 1;
|
||||||
pct99 = int(NR * 99 / 100);
|
pct99 = int(newNR * 99 / 100);
|
||||||
if (pct99 < 1)
|
if (pct99 < 1)
|
||||||
pct99 = 1;
|
pct99 = 1;
|
||||||
div = 10 ** int(log(gptimes[pct90]) / log(10) + .5) / 100;
|
div = 10 ** int(log(gptimes[pct90]) / log(10) + .5) / 100;
|
||||||
print "Histogram bucket size: " div;
|
print "Histogram bucket size: " div;
|
||||||
last = gptimes[1] - 10;
|
last = gptimes[1] - 10;
|
||||||
count = 0;
|
count = 0;
|
||||||
for (i = 1; i <= NR; i++) {
|
for (i = 1; i <= newNR; i++) {
|
||||||
current = div * int(gptimes[i] / div);
|
current = div * int(gptimes[i] / div);
|
||||||
if (last == current) {
|
if (last == current) {
|
||||||
count++;
|
count++;
|
||||||
|
@ -73,10 +78,11 @@ END {
|
||||||
}
|
}
|
||||||
if (count > 0)
|
if (count > 0)
|
||||||
print last, count;
|
print last, count;
|
||||||
print "Average grace-period duration: " sum / NR " microseconds";
|
print "Average grace-period duration: " sum / newNR " microseconds";
|
||||||
print "Minimum grace-period duration: " gptimes[1];
|
print "Minimum grace-period duration: " gptimes[1];
|
||||||
print "50th percentile grace-period duration: " gptimes[pct50];
|
print "50th percentile grace-period duration: " gptimes[pct50];
|
||||||
print "90th percentile grace-period duration: " gptimes[pct90];
|
print "90th percentile grace-period duration: " gptimes[pct90];
|
||||||
print "99th percentile grace-period duration: " gptimes[pct99];
|
print "99th percentile grace-period duration: " gptimes[pct99];
|
||||||
print "Maximum grace-period duration: " gptimes[NR];
|
print "Maximum grace-period duration: " gptimes[newNR];
|
||||||
|
print "Grace periods: " ngps + 0 " Batches: " nbatches + 0 " Ratio: " ngps / nbatches;
|
||||||
}'
|
}'
|
||||||
|
|
Loading…
Reference in a new issue