diff options
Diffstat (limited to 'tools/softirqs_example.txt')
| -rw-r--r-- | tools/softirqs_example.txt | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/tools/softirqs_example.txt b/tools/softirqs_example.txt index ef3174a2..a9141431 100644 --- a/tools/softirqs_example.txt +++ b/tools/softirqs_example.txt @@ -179,12 +179,27 @@ softirq = run_rebalance_domains 16384 -> 32767 : 24 |** | +Sometimes you just want counts of events, and don't need the distribution +of times. You can use the -C or --events option: + +# ./softirqs.py -C +Tracing soft irq events... Hit Ctrl-C to end. +^C +SOFTIRQ TOTAL_count +block 5 +tasklet 6 +net_rx 402 +sched 5251 +rcu 5748 +timer 9530 + + USAGE message: # ./softirqs -h -usage: softirqs [-h] [-T] [-N] [-d] [interval] [count] +usage: softirqs [-h] [-T] [-N] [-C] [-d] [-c CPU] [interval] [count] -Summarize soft irq event time as histograms +Summarize soft irq event time as histograms. positional arguments: interval output interval, in seconds @@ -194,10 +209,15 @@ optional arguments: -h, --help show this help message and exit -T, --timestamp include timestamp on output -N, --nanoseconds output in nanoseconds + -C, --events show the number of soft irq events -d, --dist show distributions as histograms + -c CPU, --cpu CPU trace this CPU only examples: ./softirqs # sum soft irq event time + ./softirqs -C # show the number of soft irq events ./softirqs -d # show soft irq event time as histograms ./softirqs 1 10 # print 1 second summaries, 10 times ./softirqs -NT 1 # 1s summaries, nanoseconds, and timestamps + ./softirqs -c 1 # sum soft irq event time on CPU 1 only + |