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Jiri Olsa e2b2cd592a bpf: Add missed value to kprobe_multi link info 
Add missed value to kprobe_multi link info to hold the stats of missed
kprobe_multi probe.

The missed counter gets incremented when fprobe fails the recursion
check or there's no rethook available for return probe. In either
case the attached bpf program is not executed.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Tested-by: Song Liu <song@kernel.org>
Reviewed-by: Song Liu <song@kernel.org>
Acked-by: Hou Tao <houtao1@huawei.com>
Link: https://lore.kernel.org/bpf/20230920213145.1941596-3-jolsa@kernel.org
2023-09-25 16:37:44 -07:00
..
rv
tracing/tools: Updates for 6.4
2023-04-28 16:11:26 -07:00
blktrace.c
block: remove more NULL checks after bdev_get_queue()
2023-02-21 09:23:22 -07:00
bpf_trace.c
bpf: Add missed value to kprobe_multi link info
2023-09-25 16:37:44 -07:00
bpf_trace.h
…
error_report-traces.c
tracing: add error_report_end trace point
2021-02-26 09:41:02 -08:00
fgraph.c
tracing: arm64: Avoid missing-prototype warnings
2023-07-12 12:06:04 -04:00
fprobe.c
Probe fixes for 6.5-rc1, the 2nd set:
2023-07-16 12:13:51 -07:00
ftrace_internal.h
tracing: arm64: Avoid missing-prototype warnings
2023-07-12 12:06:04 -04:00
ftrace.c
ftrace: Use LIST_HEAD to initialize clear_hash
2023-09-01 21:18:38 -04:00
Kconfig
Probes updates for v6.5:
2023-06-30 10:44:53 -07:00
kprobe_event_gen_test.c
tracing: Fix wrong return in kprobe_event_gen_test.c
2023-03-19 12:20:48 -04:00
Makefile
tracing/probes: Move finding func-proto API and getting func-param API to trace_btf
2023-08-23 09:39:45 +09:00
pid_list.c
tracing: Cleanup double word in comment
2022-04-26 17:58:50 -04:00
pid_list.h
tracing: Create a sparse bitmask for pid filtering
2021-10-05 17:38:45 -04:00
power-traces.c
…
preemptirq_delay_test.c
…
rethook.c
Probes fixes and clean ups for v6.5-rc1:
2023-07-12 12:01:16 -07:00
ring_buffer_benchmark.c
ring_buffer: Remove unused "event" parameter
2022-11-23 19:08:30 -05:00
ring_buffer.c
ring-buffer: Do not attempt to read past "commit"
2023-09-08 23:12:19 -04:00
rpm-traces.c
…
synth_event_gen_test.c
tracing: Always use canonical ftrace path
2023-02-18 14:34:09 -05:00
trace_benchmark.c
tracing: Add numeric delta time to the trace event benchmark
2022-09-26 13:01:09 -04:00
trace_benchmark.h
tracing: Add numeric delta time to the trace event benchmark
2022-09-26 13:01:09 -04:00
trace_boot.c
tracing/boot: Test strscpy() against less than zero for error
2023-07-05 10:30:49 -04:00
trace_branch.c
…
trace_btf.c
tracing/probes: Add a function to search a member of a struct/union
2023-08-23 09:40:16 +09:00
trace_btf.h
tracing/probes: Add a function to search a member of a struct/union
2023-08-23 09:40:16 +09:00
trace_clock.c
tracing: Do no increment trace_clock_global() by one
2021-06-18 09:10:00 -04:00
trace_dynevent.c
tracing: Free buffers when a used dynamic event is removed
2022-11-23 19:07:12 -05:00
trace_dynevent.h
tracing: Add DYNAMIC flag for dynamic events
2021-08-18 18:10:32 -04:00
trace_entries.h
tracing: Add back FORTIFY_SOURCE logic to kernel_stack event structure
2023-07-30 18:11:44 -04:00
trace_eprobe.c
tracing/probes: Support BTF argument on module functions
2023-08-23 09:39:15 +09:00
trace_event_perf.c
tracing/perf: Use strndup_user instead of kzalloc/strncpy_from_user
2022-11-23 19:08:31 -05:00
trace_events_filter_test.h
…
trace_events_filter.c
tracing/filters: Fix coding style issues
2023-09-01 21:27:23 -04:00
trace_events_hist.c
tracing/histograms: Return an error if we fail to add histogram to hist_vars list
2023-07-23 11:18:52 -04:00
trace_events_inject.c
tracing: Have event inject files inc the trace array ref count
2023-09-07 16:38:54 -04:00
trace_events_synth.c
tracing/synthetic: Print out u64 values properly
2023-09-11 18:23:10 -04:00
trace_events_trigger.c
tracing: Fix kernel-doc warnings in trace_events_trigger.c
2023-07-28 19:59:03 -04:00
trace_events_user.c
tracing/user_events: Optimize safe list traversals
2023-08-22 05:22:10 -04:00
trace_events.c
eventfs: Fix the NULL pointer dereference bug in eventfs_remove_rec()
2023-09-12 09:57:01 -04:00
trace_export.c
tracing: Add back FORTIFY_SOURCE logic to kernel_stack event structure
2023-07-30 18:11:44 -04:00
trace_fprobe.c
tracing/fprobe-event: Assume fprobe is a return event by $retval
2023-08-23 09:41:32 +09:00
trace_functions_graph.c
function_graph: Support recording and printing the return value of function
2023-06-20 18:38:37 -04:00
trace_functions.c
ftrace: disable preemption when recursion locked
2021-10-27 11:21:49 -04:00
trace_hwlat.c
tracing: Remove extra space at the end of hwlat_detector/mode
2023-09-01 21:00:00 -04:00
trace_irqsoff.c
tracing: Fix memleak due to race between current_tracer and trace
2023-08-17 13:49:37 -04:00
trace_kdb.c
kdb: Rename members of struct kdbtab_t
2021-07-27 17:05:06 +01:00
trace_kprobe_selftest.c
tracing: arm64: Avoid missing-prototype warnings
2023-07-12 12:06:04 -04:00
trace_kprobe_selftest.h
…
trace_kprobe.c
Probes updates for v6.6:
2023-09-02 11:10:50 -07:00
trace_mmiotrace.c
…
trace_nop.c
…
trace_osnoise.c
tracing/timerlat: Add user-space interface
2023-06-22 10:39:56 -04:00
trace_output.c
Tracing updates for 6.5:
2023-06-30 10:33:17 -07:00
trace_output.h
tracing: Add "fields" option to show raw trace event fields
2023-03-29 06:52:08 -04:00
trace_preemptirq.c
cpuidle: tracing, preempt: Squash _rcuidle tracing
2023-01-31 15:01:46 +01:00
trace_printk.c
tracing: Disable "other" permission bits in the tracefs files
2021-10-08 18:08:43 -04:00
trace_probe_kernel.h
tracing/probes: Fix to record 0-length data_loc in fetch_store_string*() if fails
2023-07-14 17:04:58 +09:00
trace_probe_tmpl.h
tracing/probes: Fix to record 0-length data_loc in fetch_store_string*() if fails
2023-07-14 17:04:58 +09:00
trace_probe.c
tracing/probes: Add string type check with BTF
2023-08-23 09:41:13 +09:00
trace_probe.h
Probes updates for v6.6:
2023-09-02 11:10:50 -07:00
trace_recursion_record.c
tracing: Use trace_create_file() to simplify creation of tracefs entries
2022-05-26 21:12:52 -04:00
trace_sched_switch.c
sched/tracing: Append prev_state to tp args instead
2022-05-12 00:37:11 +02:00
trace_sched_wakeup.c
tracing: Fix memleak due to race between current_tracer and trace
2023-08-17 13:49:37 -04:00
trace_selftest_dynamic.c
…
trace_selftest.c
tracing: Have function_graph selftest call cond_resched()
2023-05-28 21:15:46 -04:00
trace_seq.c
tracing: Fix kernel-doc warnings in trace_seq.c
2023-07-28 19:59:04 -04:00
trace_stack.c
tracing: Disable "other" permission bits in the tracefs files
2021-10-08 18:08:43 -04:00
trace_stat.c
tracing: Disable "other" permission bits in the tracefs files
2021-10-08 18:08:43 -04:00
trace_stat.h
…
trace_synth.h
tracing: Allow synthetic events to pass around stacktraces
2023-01-25 10:31:24 -05:00
trace_syscalls.c
tracing: bpf: use struct trace_entry in struct syscall_tp_t
2023-08-01 10:53:28 -07:00
trace_uprobe.c
Probes updates for v6.6:
2023-09-02 11:10:50 -07:00
trace.c
Tracing fixes for 6.6:
2023-09-13 11:30:11 -07:00
trace.h
tracing: Increase trace array ref count on enable and filter files
2023-09-07 16:05:46 -04:00
tracing_map.c
tracing: Remove unused variable 'dups'
2022-10-03 12:20:31 -04:00
tracing_map.h
tracing: Remove unused extern declaration tracing_map_set_field_descr()
2023-07-23 11:08:14 -04:00