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Message-ID: <20210903115014.28dc0da6@gandalf.local.home>
Date: Fri, 3 Sep 2021 11:50:14 -0400
From: Steven Rostedt <rostedt@...dmis.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: LKML <linux-kernel@...r.kernel.org>,
Ingo Molnar <mingo@...nel.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Huang Shijie <shijie@...amperecomputing.com>,
Masahiro Yamada <masahiroy@...nel.org>,
Masami Hiramatsu <mhiramat@...nel.org>,
Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
"Tzvetomir Stoyanov (VMware)" <tz.stoyanov@...il.com>,
zhaoxiao <zhaoxiao@...ontech.com>
Subject: [GIT PULL] tracing: Changes for 5.15
Linus,
Tracing updates for 5.15:
- Simplifying the Kconfig use of FTRACE and TRACE_IRQFLAGS_SUPPORT
- bootconfig now can start histograms
- bootconfig supports group/all enabling
- histograms now can put values in linear size buckets
- execnames can be passed to synthetic events
- Introduction of "event probes" that attach to other events and
can retrieve data from pointers of fields, or record fields
as different types (a pointer to a string as a string instead
of just a hex number)
- Various fixes and clean ups
Please pull the latest trace-v5.15 tree, which can be found at:
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace.git
trace-v5.15
Tag SHA1: edba3f3e4e1b6564493440a725c3ae6c07dd998c
Head SHA1: 4420f5b1be7b117330526f3eabd13d840f510b15
Huang Shijie (1):
tracing: Fix a typo in tracepoint.h
Masahiro Yamada (2):
tracing: Simplify the Kconfig dependency of FTRACE
tracing: Refactor TRACE_IRQFLAGS_SUPPORT in Kconfig
Masami Hiramatsu (11):
tracing/boot: Fix a hist trigger dependency for boot time tracing
tracing/boot: Add per-event histogram action options
tracing/boot: Support multiple handlers for per-event histogram
tracing/boot: Support multiple histograms for each event
tracing/boot: Show correct histogram error command
Documentation: tracing: Add histogram syntax to boot-time tracing
tools/bootconfig: Support per-group/all event enabling option
tools/bootconfig: Add histogram syntax support to bconf2ftrace.sh
tools/bootconfig: Use per-group/all enable option in ftrace2bconf script
bootconfig/tracing/ktest: Update ktest example for boot-time tracing
tracing/probes: Reject events which have the same name of existing one
Sebastian Andrzej Siewior (1):
tracing: Replace deprecated CPU-hotplug functions.
Steven Rostedt (VMware) (18):
tracing: Add linear buckets to histogram logic
tracing/histogram: Update the documentation for the buckets modifier
tracing: Have histogram types be constant when possible
tracing: Allow execnames to be passed as args for synthetic events
MAINTAINERS: Add an entry for os noise/latency
tracing: Add DYNAMIC flag for dynamic events
tracing: Have dynamic events have a ref counter
tracing/probe: Have traceprobe_parse_probe_arg() take a const arg
tracing/probes: Allow for dot delimiter as well as slash for system names
tracing/probes: Use struct_size() instead of defining custom macros
tracing/probe: Change traceprobe_set_print_fmt() to take a type
tracing/probes: Have process_fetch_insn() take a void * instead of pt_regs
selftests/ftrace: Add clear_dynamic_events() to test cases
selftests/ftrace: Fix requirement check of README file
selftests/ftrace: Add test case to test adding and removing of event probe
selftests/ftrace: Add selftest for testing eprobe events on synthetic events
selftests/ftrace: Add selftest for testing duplicate eprobes and kprobes
tracing/doc: Fix table format in histogram code
Tzvetomir Stoyanov (VMware) (1):
tracing: Add a probe that attaches to trace events
zhaoxiao (1):
tracepoint: Fix kerneldoc comments
----
Documentation/trace/boottime-trace.rst | 85 +-
Documentation/trace/histogram.rst | 110 ++-
MAINTAINERS | 14 +
arch/Kconfig | 3 +
arch/arc/Kconfig | 4 +-
arch/arm/Kconfig | 5 +-
arch/arm64/Kconfig | 4 +-
arch/csky/Kconfig | 4 +-
arch/hexagon/Kconfig | 4 +-
arch/microblaze/Kconfig | 1 +
arch/microblaze/Kconfig.debug | 5 -
arch/mips/Kconfig | 1 +
arch/mips/Kconfig.debug | 4 -
arch/nds32/Kconfig | 4 +-
arch/nios2/Kconfig | 3 -
arch/openrisc/Kconfig | 4 +-
arch/parisc/Kconfig | 1 +
arch/parisc/Kconfig.debug | 3 -
arch/powerpc/Kconfig | 5 +-
arch/riscv/Kconfig | 4 +-
arch/s390/Kconfig | 1 +
arch/s390/Kconfig.debug | 3 -
arch/sh/Kconfig | 1 +
arch/sh/Kconfig.debug | 3 -
arch/sparc/Kconfig | 1 +
arch/sparc/Kconfig.debug | 4 -
arch/um/Kconfig | 5 +-
arch/x86/Kconfig | 1 +
arch/x86/Kconfig.debug | 3 -
arch/xtensa/Kconfig | 4 +-
include/linux/trace_events.h | 52 +-
include/linux/tracepoint.h | 2 +-
kernel/trace/Kconfig | 6 +-
kernel/trace/Makefile | 1 +
kernel/trace/ring_buffer.c | 8 +-
kernel/trace/trace.c | 10 +-
kernel/trace/trace.h | 18 +
kernel/trace/trace_boot.c | 302 ++++++-
kernel/trace/trace_dynevent.c | 38 +
kernel/trace/trace_dynevent.h | 4 +-
kernel/trace/trace_eprobe.c | 903 +++++++++++++++++++++
kernel/trace/trace_event_perf.c | 6 +-
kernel/trace/trace_events.c | 22 +-
kernel/trace/trace_events_hist.c | 143 +++-
kernel/trace/trace_events_synth.c | 21 +-
kernel/trace/trace_events_trigger.c | 20 +-
kernel/trace/trace_hwlat.c | 28 +-
kernel/trace/trace_kprobe.c | 49 +-
kernel/trace/trace_osnoise.c | 16 +-
kernel/trace/trace_probe.c | 109 ++-
kernel/trace/trace_probe.h | 16 +-
kernel/trace/trace_probe_tmpl.h | 6 +-
kernel/trace/trace_uprobe.c | 40 +-
kernel/tracepoint.c | 4 +-
tools/bootconfig/scripts/bconf2ftrace.sh | 101 +++
tools/bootconfig/scripts/ftrace2bconf.sh | 24 +-
tools/bootconfig/scripts/xbc.sh | 4 +-
.../ktest/examples/bootconfigs/boottrace.bconf | 20 +-
.../ktest/examples/bootconfigs/verify-boottrace.sh | 2 +-
.../ftrace/test.d/dynevent/add_remove_eprobe.tc | 40 +
.../ftrace/test.d/dynevent/test_duplicates.tc | 38 +
tools/testing/selftests/ftrace/test.d/functions | 24 +-
.../inter-event/trigger-synthetic-eprobe.tc | 53 ++
63 files changed, 2149 insertions(+), 275 deletions(-)
create mode 100644 kernel/trace/trace_eprobe.c
create mode 100644 tools/testing/selftests/ftrace/test.d/dynevent/add_remove_eprobe.tc
create mode 100644 tools/testing/selftests/ftrace/test.d/dynevent/test_duplicates.tc
create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-eprobe.tc
---------------------------
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