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author | David S. Miller <davem@davemloft.net> | 2017-06-06 22:20:08 -0400 |
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committer | David S. Miller <davem@davemloft.net> | 2017-06-06 22:20:08 -0400 |
commit | 216fe8f021e33c36e3b27c49c9f1951f6b037d7f (patch) | |
tree | a43daec41b4d3955e7a4f8d0ed0654a7c80527ec /tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc | |
parent | 9747e2313838ee8f5d8073fd6aa7289255c3c51b (diff) | |
parent | b29794ec95c6856b316c2295904208bf11ffddd9 (diff) | |
download | talos-op-linux-216fe8f021e33c36e3b27c49c9f1951f6b037d7f.tar.gz talos-op-linux-216fe8f021e33c36e3b27c49c9f1951f6b037d7f.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Just some simple overlapping changes in marvell PHY driver
and the DSA core code.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc')
-rw-r--r-- | tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc b/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc new file mode 100644 index 000000000000..f4d1ff785d67 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc @@ -0,0 +1,21 @@ +#!/bin/sh +# description: Register/unregister many kprobe events + +# ftrace fentry skip size depends on the machine architecture. +# Currently HAVE_KPROBES_ON_FTRACE defined on x86 and powerpc +case `uname -m` in + x86_64|i[3456]86) OFFS=5;; + ppc*) OFFS=4;; + *) OFFS=0;; +esac + +echo "Setup up to 256 kprobes" +grep t /proc/kallsyms | cut -f3 -d" " | grep -v .*\\..* | \ +head -n 256 | while read i; do echo p ${i}+${OFFS} ; done > kprobe_events ||: + +echo 1 > events/kprobes/enable +echo 0 > events/kprobes/enable +echo > kprobe_events +echo "Waiting for unoptimizing & freeing" +sleep 5 +echo "Done" |