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Steven Rostedt a8fb260805 perf/tracing: Fix regression of perf losing kprobe events ... With the addition of the code to shrink the kernel tracepoint infrastructure, we lost kprobes being traced by perf. The reason is that I tested if the "tp_event->class->perf_probe" existed before enabling it. This prevents "ftrace only" events (like the function trace events) from being enabled by perf. Unfortunately, kprobe events do not use perf_probe. This causes kprobes to be missed by perf. To fix this, we add the test to see if "tp_event->class->reg" exists as well as perf_probe. Normal trace events have only "perf_probe" but no "reg" function, and kprobes and syscalls have the "reg" but no "perf_probe". The ftrace unique events do not have either, so this is a valid test. If a kprobe or syscall is not to be probed by perf, the "reg" function is called anyway, and will return a failure and prevent perf from probing it. Reported-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Tested-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>		15 years ago
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Kconfig	x86, perf, bts, mm: Delete the never used BTS-ptrace code	15 years ago
Makefile	x86, perf, bts, mm: Delete the never used BTS-ptrace code	15 years ago
blktrace.c	blktrace: Fix new kernel-doc warnings	15 years ago
ftrace.c	Merge branch 'tracing-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip	15 years ago
kmemtrace.c	tracing: Allow events to share their print functions	15 years ago
power-traces.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	15 years ago
ring_buffer.c	ring-buffer: Move zeroing out excess in page to ring buffer code	15 years ago
ring_buffer_benchmark.c	ring-buffer: Make benchmark handle missed events	15 years ago
trace.c	Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip	15 years ago
trace.h	Merge branch 'tracing-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip	15 years ago
trace_boot.c	…
trace_branch.c	tracing: Allow events to share their print functions	15 years ago
trace_clock.c	tracing: Fix lockdep warning in global_clock()	15 years ago
trace_entries.h	x86, perf, bts, mm: Delete the never used BTS-ptrace code	15 years ago
trace_event_perf.c	perf/tracing: Fix regression of perf losing kprobe events	15 years ago
trace_events.c	tracing: Combine event filter_active and enable into single flags field	15 years ago
trace_events_filter.c	Merge branch 'perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip into trace/tip/tracing/core-6	15 years ago
trace_export.c	tracing: Remove duplicate id information in event structure	15 years ago
trace_functions.c	…
trace_functions_graph.c	tracing: Allow events to share their print functions	15 years ago
trace_irqsoff.c	tracing: Add graph output support for irqsoff tracer	15 years ago
trace_kprobe.c	perf_events, trace: Fix probe unregister race	15 years ago
trace_ksym.c	hw-breakpoints: Get the number of available registers on boot dynamically	15 years ago
trace_mmiotrace.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	15 years ago
trace_nop.c	…
trace_output.c	Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip	15 years ago
trace_output.h	tracing: Allow events to share their print functions	15 years ago
trace_printk.c	…
trace_sched_switch.c	tracing: Let tracepoints have data passed to tracepoint callbacks	15 years ago
trace_sched_wakeup.c	tracing: Let tracepoints have data passed to tracepoint callbacks	15 years ago
trace_selftest.c	Merge branch 'tracing-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip	15 years ago
trace_selftest_dynamic.c	…
trace_stack.c	…
trace_stat.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	15 years ago
trace_stat.h	…
trace_syscalls.c	perf_events, trace: Fix probe unregister race	15 years ago
trace_sysprof.c	…
trace_workqueue.c	tracing: Let tracepoints have data passed to tracepoint callbacks	15 years ago