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Diffstat (limited to 'testsuite/systemtap.examples/index.txt')
| -rw-r--r-- | testsuite/systemtap.examples/index.txt | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/testsuite/systemtap.examples/index.txt b/testsuite/systemtap.examples/index.txt index f45f4c43..5ffc341a 100644 --- a/testsuite/systemtap.examples/index.txt +++ b/testsuite/systemtap.examples/index.txt @@ -27,6 +27,16 @@ keywords: trace callgraph the trigger. +interrupt/scf.stp - Tally Backtraces for Inter-Processor Interrupt (IPI) +keywords: interrupt backtrace + + The Linux kernel function smp_call_function causes expensive + inter-processor interrupts (IPIs). The scf.stp script tallies the + processes and backtraces causing the interprocessor interrupts to + identify the cause of the expensive IPI. On exit the script prints + the tallies in descending frequency. + + io/disktop.stp - Summarize Disk Read/Write Traffic keywords: disk |