Messages in this thread | | | Date | Thu, 19 Sep 2019 21:20:11 -0400 | From | Steven Rostedt <> | Subject | [GIT PULL] tracing: Updates for 5.4 |
| |
Linus,
Tracing updates:
- Addition of multiprobes to kprobe and uprobe events Allows for more than one probe attached to the same location
- Addition of adding immediates to probe parameters
- Clean up of the recordmcount.c code. This brings us closer to merging recordmcount into objtool, and reuse code.
- Other small clean ups
Please pull the latest trace-v5.4 tree, which can be found at:
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace.git trace-v5.4
Tag SHA1: c7ec8cea00f554d7f234b4e8f4fdc0b0a89b564f Head SHA1: b78b94b82122208902c0f83805e614e1239f9893
Andy Shevchenko (1): tracing: Be more clever when dumping hex in __print_hex()
Changbin Du (1): ftrace: Simplify ftrace hash lookup code in clear_func_from_hash()
Masami Hiramatsu (17): kprobes: Allow kprobes coexist with livepatch tracing/probe: Split trace_event related data from trace_probe tracing/dynevent: Delete all matched events tracing/dynevent: Pass extra arguments to match operation tracing/kprobe: Add multi-probe per event support tracing/uprobe: Add multi-probe per uprobe event support tracing/kprobe: Add per-probe delete from event tracing/uprobe: Add per-probe delete from event tracing/probe: Add immediate parameter support tracing/probe: Add immediate string parameter support selftests/ftrace: Add a testcase for kprobe multiprobe event selftests/ftrace: Add syntax error test for immediates selftests/ftrace: Add syntax error test for multiprobe tracing/kprobe: Fix NULL pointer access in trace_porbe_unlink() tracing/probe: Fix to allow user to enable events on unloaded modules tracing/probe: Reject exactly same probe event selftests/ftrace: Update kprobe event error testcase
Matt Helsley (8): recordmcount: Remove redundant strcmp recordmcount: Remove uread() recordmcount: Remove unused fd from uwrite() and ulseek() recordmcount: Rewrite error/success handling recordmcount: Kernel style function signature formatting recordmcount: Kernel style formatting recordmcount: Remove redundant cleanup() calls recordmcount: Clarify what cleanup() does
Steven Rostedt (VMware) (4): tracing/arm64: Have max stack tracer handle the case of return address after data tracing: Document the stack trace algorithm in the comments tracing: Rename tracing_reset() to tracing_reset_cpu() selftests/ftrace: Select an existing function in kprobe_eventname test
Tom Zanussi (1): tracing: Make sure variable reference alias has correct var_ref_idx
Zhengjun Xing (1): tracing: Add "gfp_t" support in synthetic_events
---- Documentation/trace/kprobetrace.rst | 1 + Documentation/trace/uprobetracer.rst | 1 + arch/arm64/include/asm/ftrace.h | 13 + kernel/kprobes.c | 56 +++- kernel/trace/ftrace.c | 6 +- kernel/trace/trace.c | 14 +- kernel/trace/trace.h | 1 - kernel/trace/trace_dynevent.c | 10 +- kernel/trace/trace_dynevent.h | 7 +- kernel/trace/trace_events_hist.c | 25 +- kernel/trace/trace_kprobe.c | 268 +++++++++++++---- kernel/trace/trace_output.c | 6 +- kernel/trace/trace_probe.c | 178 ++++++++++-- kernel/trace/trace_probe.h | 68 ++++- kernel/trace/trace_stack.c | 112 +++++++ kernel/trace/trace_uprobe.c | 299 +++++++++++++++---- scripts/recordmcount.c | 321 ++++++++++----------- scripts/recordmcount.h | 150 +++++++--- tools/testing/selftests/ftrace/test.d/functions | 2 +- .../ftrace/test.d/kprobe/kprobe_eventname.tc | 16 +- .../ftrace/test.d/kprobe/kprobe_multiprobe.tc | 35 +++ .../ftrace/test.d/kprobe/kprobe_syntax_errors.tc | 16 + 22 files changed, 1199 insertions(+), 406 deletions(-) create mode 100644 tools/testing/selftests/ftrace/test.d/kprobe/kprobe_multiprobe.tc ---------------------------
| |