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tracing/filter: Add startup tests for events filter

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Adding automated tests running as late_initcall. Tests are
compiled in with CONFIG_FTRACE_STARTUP_TEST option.

Adding test event "ftrace_test_filter" used to simulate
filter processing during event occurance.

String filters are compiled and tested against several
test events with different values.

Also testing that evaluation of explicit predicates is ommited
due to the lazy filter evaluation.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/1313072754-4620-11-git-send-email-jolsa@redhat.com
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Jiri Olsa
2011-08-11 16:25:54 +02:00
committed by Steven Rostedt
parent f30120fce1
commit 1d0e78e380
4 changed files with 264 additions and 0 deletions
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kernel/trace/Makefile
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@@ -15,6 +15,8 @@ ifdef CONFIG_TRACING_BRANCHES
KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
endif
CFLAGS_trace_events_filter.o := -I$(src)
#
# Make the trace clocks available generally: it's infrastructure
# relied on by ptrace for example: