Steven Rostedt bb4613842e tracing: Allow perf to read synthetic events ...

Currently, perf can not enable synthetic events. When it does, it either
causes a warning in the kernel or errors with "no such device".

Add the necessary code to allow perf to also attach to synthetic events.

Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://patch.msgid.link/20260513150007.3b280e87@gandalf.local.home
Reported-by: Ian Rogers <irogers@google.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>

2026-05-21 18:03:07 -04:00

..

rv

rv: Allow epoll in rtapp-sleep monitor

2026-04-01 15:18:30 +02:00

blktrace.c

Merge tag 'block-7.0-20260305' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux

2026-03-06 08:36:18 -08:00

bpf_trace.c

fprobe: Fix unregister_fprobe() to wait for RCU grace period

2026-05-11 19:04:46 +09:00

bpf_trace.h

…

error_report-traces.c

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fgraph.c

fgraph: Do not call handlers direct when not using ftrace_ops

2026-02-19 15:21:22 -05:00

fprobe.c

fprobe: Fix unregister_fprobe() to wait for RCU grace period

2026-05-11 19:04:46 +09:00

ftrace_internal.h

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ftrace.c

Merge tag 'trace-v7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

2026-04-17 09:43:12 -07:00

Kconfig

tracing: Add a trace remote module for testing

2026-03-09 12:33:55 -04:00

kprobe_event_gen_test.c

…

Makefile

ring-buffer remote: Avoid unexpected symbol warnings (arm, s390)

2026-05-15 14:59:30 -04:00

pid_list.c

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

pid_list.h

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power-traces.c

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preemptirq_delay_test.c

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remote_test_events.h

tracing: Add a trace remote module for testing

2026-03-09 12:33:55 -04:00

remote_test.c

tracing: Fix desc in error path for the trace remote test module

2026-05-16 16:11:04 -04:00

rethook.c

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

ring_buffer_benchmark.c

tracing: Fix typo in ring_buffer_benchmark.c

2025-12-05 15:43:40 -05:00

ring_buffer.c

ring-buffer: Do not double count the reader_page

2026-04-24 15:34:39 -04:00

rpm-traces.c

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simple_ring_buffer.c

tracing: load/unload page callbacks for simple_ring_buffer

2026-03-09 12:33:55 -04:00

synth_event_gen_test.c

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trace_benchmark.c

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trace_benchmark.h

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trace_boot.c

tracing: Make the backup instance non-reusable

2026-04-02 13:20:38 -04:00

trace_branch.c

tracing: branch: Fix inverted check on stat tracer registration

2026-04-28 14:28:29 -04:00

trace_btf.c

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

trace_btf.h

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trace_clock.c

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trace_dynevent.c

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trace_dynevent.h

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trace_entries.h

tracing: Fix ftrace event field alignments

2026-02-05 09:47:11 -05:00

trace_eprobe.c

Convert 'alloc_flex' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

trace_event_perf.c

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trace_events_filter_test.h

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trace_events_filter.c

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

trace_events_hist.c

tracing: Bound synthetic-field strings with seq_buf

2026-05-21 18:03:06 -04:00

trace_events_inject.c

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trace_events_synth.c

tracing: Allow perf to read synthetic events

2026-05-21 18:03:07 -04:00

trace_events_trigger.c

tracing: Drain deferred trigger frees if kthread creation fails

2026-03-28 08:32:44 -04:00

trace_events_user.c

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

trace_events.c

Merge tag 'trace-v7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

2026-04-17 09:43:12 -07:00

trace_export.c

tracing: Fix ftrace event field alignments

2026-02-05 09:47:11 -05:00

trace_fprobe.c

Convert 'alloc_flex' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

trace_functions_graph.c

fgraph: Fix thresh_return nosleeptime double-adjust

2026-03-03 22:11:20 -05:00

trace_functions.c

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

trace_hwlat.c

tracing: Fix false sharing in hwlat get_sample()

2026-02-10 03:36:39 -05:00

trace_irqsoff.c

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trace_kdb.c

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trace_kprobe_selftest.c

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trace_kprobe_selftest.h

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trace_kprobe.c

Merge tag 'trace-v7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

2026-04-17 09:43:12 -07:00

trace_mmiotrace.c

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

trace_nop.c

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trace_osnoise.c

Merge tag 'trace-latency-v7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

2026-04-17 10:12:11 -07:00

trace_output.c

Merge tag 'trace-v7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

2026-04-17 09:43:12 -07:00

trace_output.h

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trace_pid.c

tracing: Move pid filtering into trace_pid.c

2026-02-08 21:01:13 -05:00

trace_preemptirq.c

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trace_printk.c

tracing: move __printf() attribute on __ftrace_vbprintk()

2026-03-23 20:16:45 -04:00

trace_probe_kernel.h

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trace_probe_tmpl.h

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trace_probe.c

tracing/probes: Limit size of event probe to 3K

2026-04-29 16:07:38 -04:00

trace_probe.h

tracing/probes: Limit size of event probe to 3K

2026-04-29 16:07:38 -04:00

trace_recursion_record.c

tracing: Switch trace_recursion_record.c code over to use guard()

2026-05-21 18:03:07 -04:00

trace_remote.c

tracing: Remove redundant IS_ERR() check in trace_pipe_open()

2026-05-21 18:03:06 -04:00

trace_sched_switch.c

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

trace_sched_wakeup.c

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trace_selftest_dynamic.c

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trace_selftest.c

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

trace_seq.c

tracing: Add bitmask-list option for human-readable bitmask display

2026-01-26 17:00:50 -05:00

trace_snapshot.c

tracing: Remove duplicate latency_fsnotify() stub

2026-03-31 14:58:39 -04:00

trace_stack.c

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trace_stat.c

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

trace_stat.h

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trace_synth.h

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trace_syscalls.c

tracing: Use explicit array size instead of sentinel elements in symbol printing

2026-03-12 12:15:53 +01:00

trace_uprobe.c

Convert 'alloc_flex' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

trace.c

Merge tag 'trace-v7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

2026-04-17 09:43:12 -07:00

trace.h

Merge tag 'trace-v7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

2026-04-17 09:43:12 -07:00

tracing_map.c

tracing: Do not call map->ops->elt_free() if elt_alloc() fails

2026-05-21 11:29:03 -04:00

tracing_map.h

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undefsyms_base.c

tracing: Make undefsyms_base.c a first-class citizen

2026-04-22 11:24:41 -04:00