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author | Frank Ch. Eigler <fche@elastic.org> | 2008-04-25 16:33:24 -0400 |
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committer | Frank Ch. Eigler <fche@elastic.org> | 2008-04-25 16:33:24 -0400 |
commit | 76d647dc1fdf1d6bb4397f4a3b819003492dfda6 (patch) | |
tree | 51b9d7a1f0ee75a41c487828d5e62c6a70b7fd28 /testsuite/systemtap.examples/small_demos/top.stp | |
parent | c47ccf304e6560cb50c86c2a5213c8de56678449 (diff) | |
parent | 9f99b110fbee8a6935ca60c152cc3c7cd809461b (diff) | |
download | systemtap-steved-76d647dc1fdf1d6bb4397f4a3b819003492dfda6.tar.gz systemtap-steved-76d647dc1fdf1d6bb4397f4a3b819003492dfda6.tar.xz systemtap-steved-76d647dc1fdf1d6bb4397f4a3b819003492dfda6.zip |
Merge branch 'master' of ssh://sources.redhat.com/git/systemtap into pr6429-comp-unwindsyms
* 'master' of ssh://sources.redhat.com/git/systemtap:
simplify systemtap.spec configuration vars
Handles markers with no format string.
Fixed task_finder.c kernel 2.6.25 change.
PR6454: fix "stap -l" listing of space-laden probe point names
Move examples to testsuite/systemtap.examples.
PR6451: avoid one class of staprun shutdown deadlock (module/.ctl filehandle = 0)
Made kernel 2.6.25 changes in task_finder.c.
Move examples to testsuite/systemtap.examples
PR6416: extend probing blacklist with more init/exit sections
Diffstat (limited to 'testsuite/systemtap.examples/small_demos/top.stp')
-rwxr-xr-x | testsuite/systemtap.examples/small_demos/top.stp | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/testsuite/systemtap.examples/small_demos/top.stp b/testsuite/systemtap.examples/small_demos/top.stp new file mode 100755 index 00000000..b46b9940 --- /dev/null +++ b/testsuite/systemtap.examples/small_demos/top.stp @@ -0,0 +1,24 @@ +#!/usr/bin/env stap +# +# This script continuously lists the top 20 systemcalls on the system +# + +global syscalls + +function print_top () { + printf ("SYSCALL\t\t\t\tCOUNT\n") + foreach ([name] in syscalls- limit 20) + printf("%-20s\t\t%5d\n",name, syscalls[name]) + printf("--------------------------------------\n") + delete syscalls +} + +probe syscall.* { + syscalls[probefunc()]++ +} + +# print top syscalls every 5 seconds +probe timer.ms(5000) { + print_top () +} + |