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linux/kernel/trace
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Mark-PK Tsai 6621a70046 tracing: make tracer_init_tracefs initcall asynchronous 
Move trace_eval_init() to subsys_initcall to make it start
earlier.
And to avoid tracer_init_tracefs being blocked by
trace_event_sem which trace_eval_init() hold [1],
queue tracer_init_tracefs() to eval_map_wq to let
the two works being executed sequentially.

It can speed up the initialization of kernel as result
of making tracer_init_tracefs asynchronous.

On my arm64 platform, it reduce ~20ms of 125ms which total
time do_initcalls spend.

Link: https://lkml.kernel.org/r/20220426122407.17042-3-mark-pk.tsai@mediatek.com

[1]: https://lore.kernel.org/r/68d7b3327052757d0cd6359a6c9015a85b437232.camel@pengutronix.de
Signed-off-by: Mark-PK Tsai <mark-pk.tsai@mediatek.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-04-26 17:58:52 -04:00
..
blktrace.c
Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2022-03-24 19:37:53 -07:00
bpf_trace.c
bpf: Fix sparse warnings in kprobe_multi_resolve_syms
2022-03-30 14:10:06 +02:00
bpf_trace.h
…
error_report-traces.c
tracing: add error_report_end trace point
2021-02-26 09:41:02 -08:00
fgraph.c
ftrace: Make ftrace_graph_is_dead() a static branch
2022-04-02 08:40:09 -04:00
fprobe.c
fprobe: Fix sparse warning for acccessing __rcu ftrace_hash
2022-03-28 19:05:40 -07:00
ftrace_internal.h
…
ftrace.c
Merge tag 'x86_core_for_5.18_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2022-03-27 10:17:23 -07:00
Kconfig
tracing: mark user_events as BROKEN
2022-04-02 10:32:14 -07:00
kprobe_event_gen_test.c
…
Makefile
Merge tag 'net-next-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2022-03-24 13:13:26 -07:00
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
kernel: trace: preemptirq_delay_test: add cpu affinity
2021-02-02 17:02:07 -05:00
rethook.c
rethook: Fix to use WRITE_ONCE() for rethook:: Handler
2022-03-30 19:28:17 -07:00
ring_buffer_benchmark.c
…
ring_buffer.c
ring-buffer: Simplify if-if to if-else
2022-04-26 17:58:52 -04:00
rpm-traces.c
…
synth_event_gen_test.c
tracing: Fix various typos in comments
2021-03-23 14:08:18 -04:00
trace_benchmark.c
tracing: Fix some typos in comments
2020-11-10 20:39:40 -05:00
trace_benchmark.h
…
trace_boot.c
tracing: Fix missing trace_boot_init_histograms kstrdup NULL checks
2021-10-26 09:18:10 -04:00
trace_branch.c
tracing: Merge irqflags + preempt counter.
2021-02-02 17:02:06 -05:00
trace_clock.c
tracing: Do no increment trace_clock_global() by one
2021-06-18 09:10:00 -04:00
trace_dynevent.c
tracing: Disable "other" permission bits in the tracefs files
2021-10-08 18:08:43 -04:00
trace_dynevent.h
tracing: Add DYNAMIC flag for dynamic events
2021-08-18 18:10:32 -04:00
trace_entries.h
trace: Add timerlat tracer
2021-06-25 19:57:24 -04:00
trace_eprobe.c
tracing: Have existing event_command.parse() implementations use helpers
2022-04-26 17:58:50 -04:00
trace_event_perf.c
tracing: Show size of requested perf buffer
2021-10-27 12:25:09 -04:00
trace_events_filter_test.h
…
trace_events_filter.c
tracing: Add ustring operation to filtering string pointers
2022-01-14 03:42:24 -05:00
trace_events_hist.c
tracing: Change if (strlen(glob)) to if (glob[0])
2022-04-26 17:58:52 -04:00
trace_events_inject.c
tracing: Support __rel_loc relative dynamic data location attribute
2021-12-06 15:37:21 -05:00
trace_events_synth.c
tracing: Fix strncpy warning in trace_events_synth.c
2022-03-11 11:49:24 -05:00
trace_events_trigger.c
tracing: Have existing event_command.parse() implementations use helpers
2022-04-26 17:58:50 -04:00
trace_events_user.c
tracing: mark user_events as BROKEN
2022-04-02 10:32:14 -07:00
trace_events.c
Merge tag 'trace-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
2022-03-23 11:40:25 -07:00
trace_export.c
tracing: Fix some typos in comments
2020-11-10 20:39:40 -05:00
trace_functions_graph.c
tracing: in_irq() cleanup
2021-10-13 18:19:41 -04:00
trace_functions.c
ftrace: disable preemption when recursion locked
2021-10-27 11:21:49 -04:00
trace_hwlat.c
trace/hwlat: make use of the helper function kthread_run_on_cpu()
2022-01-15 16:30:24 +02:00
trace_irqsoff.c
tracing: Merge irqflags + preempt counter.
2021-02-02 17:02:06 -05:00
trace_kdb.c
kdb: Rename members of struct kdbtab_t
2021-07-27 17:05:06 +01:00
trace_kprobe_selftest.c
…
trace_kprobe_selftest.h
…
trace_kprobe.c
kprobes: Use rethook for kretprobe if possible
2022-03-28 19:38:09 -07:00
trace_mmiotrace.c
tracing: Remove definition of DEBUG in trace_mmiotrace.c
2021-02-02 17:02:07 -05:00
trace_nop.c
…
trace_osnoise.c
Merge tag 'v5.17-rc8' into sched/core, to pick up fixes
2022-03-15 10:28:12 +01:00
trace_output.c
tracing: Use WARN instead of printk and WARN_ON
2022-04-26 17:58:52 -04:00
trace_output.h
ftrace: Add recording of functions that caused recursion
2020-11-06 08:42:26 -05:00
trace_preemptirq.c
lockdep: fix order in trace_hardirqs_off_caller()
2020-09-14 10:08:07 +02:00
trace_printk.c
tracing: Disable "other" permission bits in the tracefs files
2021-10-08 18:08:43 -04:00
trace_probe_tmpl.h
tracing/probes: Have process_fetch_insn() take a void * instead of pt_regs
2021-08-19 09:09:03 -04:00
trace_probe.c
eprobes: Remove redundant event type information
2022-02-25 12:07:01 -05:00
trace_probe.h
eprobes: Remove redundant event type information
2022-02-25 12:07:01 -05:00
trace_recursion_record.c
tracing: Disable "other" permission bits in the tracefs files
2021-10-08 18:08:43 -04:00
trace_sched_switch.c
Merge tag 'trace-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
2022-03-23 11:40:25 -07:00
trace_sched_wakeup.c
sched/tracing: Don't re-read p->state when emitting sched_switch event
2022-03-01 16:18:39 +01:00
trace_selftest_dynamic.c
…
trace_selftest.c
tracing: Fix selftest config check for function graph start up test
2022-02-25 21:05:29 -05:00
trace_seq.c
tracing: Fix various typos in comments
2021-03-23 14:08:18 -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: synth events: increase max fields count
2021-09-08 15:29:16 -04:00
trace_syscalls.c
tracing: Make tp_printk work on syscall tracepoints
2022-04-26 17:58:52 -04:00
trace_uprobe.c
Merge tag 'trace-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
2022-01-16 10:15:32 +02:00
trace.c
tracing: make tracer_init_tracefs initcall asynchronous
2022-04-26 17:58:52 -04:00
trace.h
tracing: Have existing event_command.parse() implementations use helpers
2022-04-26 17:58:50 -04:00
tracing_map.c
tracing: Fix tracing_map_sort_entries() kernel-doc comment
2022-04-26 17:58:51 -04:00
tracing_map.h
tracing: Fix some typos in comments
2020-11-10 20:39:40 -05:00