summaryrefslogtreecommitdiff
path: root/lib
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2022-10-10 09:27:46 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-10-10 09:27:46 -0700
commit3871d93b82a4a6c1f4308064f046a544f16ada21 (patch)
tree99ef06b536798100cd7abb4753263505cc465215 /lib
parent30c999937f69abf935b0228b8411713737377d9e (diff)
parent82aad7ff7ac25c8cf09d491ae23b9823f1901486 (diff)
Merge tag 'perf-core-2022-10-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf events updates from Ingo Molnar: "PMU driver updates: - Add AMD Last Branch Record Extension Version 2 (LbrExtV2) feature support for Zen 4 processors. - Extend the perf ABI to provide branch speculation information, if available, and use this on CPUs that have it (eg. LbrExtV2). - Improve Intel PEBS TSC timestamp handling & integration. - Add Intel Raptor Lake S CPU support. - Add 'perf mem' and 'perf c2c' memory profiling support on AMD CPUs by utilizing IBS tagged load/store samples. - Clean up & optimize various x86 PMU details. HW breakpoints: - Big rework to optimize the code for systems with hundreds of CPUs and thousands of breakpoints: - Replace the nr_bp_mutex global mutex with the bp_cpuinfo_sem per-CPU rwsem that is read-locked during most of the key operations. - Improve the O(#cpus * #tasks) logic in toggle_bp_slot() and fetch_bp_busy_slots(). - Apply micro-optimizations & cleanups. - Misc cleanups & enhancements" * tag 'perf-core-2022-10-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (75 commits) perf/hw_breakpoint: Annotate tsk->perf_event_mutex vs ctx->mutex perf: Fix pmu_filter_match() perf: Fix lockdep_assert_event_ctx() perf/x86/amd/lbr: Adjust LBR regardless of filtering perf/x86/utils: Fix uninitialized var in get_branch_type() perf/uapi: Define PERF_MEM_SNOOPX_PEER in kernel header file perf/x86/amd: Support PERF_SAMPLE_PHY_ADDR perf/x86/amd: Support PERF_SAMPLE_ADDR perf/x86/amd: Support PERF_SAMPLE_{WEIGHT|WEIGHT_STRUCT} perf/x86/amd: Support PERF_SAMPLE_DATA_SRC perf/x86/amd: Add IBS OP_DATA2 DataSrc bit definitions perf/mem: Introduce PERF_MEM_LVLNUM_{EXTN_MEM|IO} perf/x86/uncore: Add new Raptor Lake S support perf/x86/cstate: Add new Raptor Lake S support perf/x86/msr: Add new Raptor Lake S support perf/x86: Add new Raptor Lake S support bpf: Check flags for branch stack in bpf_read_branch_records helper perf, hw_breakpoint: Fix use-after-free if perf_event_open() fails perf: Use sample_flags for raw_data perf: Use sample_flags for addr ...
Diffstat (limited to 'lib')
-rw-r--r--lib/Kconfig.debug10
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index a05cd9dc5f8b..405c8634d028 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -2556,6 +2556,16 @@ config FORTIFY_KUNIT_TEST
by the str*() and mem*() family of functions. For testing runtime
traps of FORTIFY_SOURCE, see LKDTM's "FORTIFY_*" tests.
+config HW_BREAKPOINT_KUNIT_TEST
+ bool "Test hw_breakpoint constraints accounting" if !KUNIT_ALL_TESTS
+ depends on HAVE_HW_BREAKPOINT
+ depends on KUNIT=y
+ default KUNIT_ALL_TESTS
+ help
+ Tests for hw_breakpoint constraints accounting.
+
+ If unsure, say N.
+
config TEST_UDELAY
tristate "udelay test driver"
help