breeze/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-01-12 00:42:35 +08:00
Code Issues Packages Projects Releases Wiki Activity

tools/rtla: Fix unassigned nr_cpus

Browse Source 
In recently introduced timerlat_free(),
the variable 'nr_cpus' is not assigned.

Assign it with sysconf(_SC_NPROCESSORS_CONF) as done elsewhere.
Remove the culprit: -Wno-maybe-uninitialized. The rest of the
code is clean.

Signed-off-by: Costa Shulyupin <costa.shul@redhat.com>
Reviewed-by: Tomas Glozar <tglozar@redhat.com>
Fixes: 2f3172f9dd ("tools/rtla: Consolidate code between osnoise/timerlat and hist/top")
Link: https://lore.kernel.org/r/20251002170846.437888-1-costa.shul@redhat.com
Signed-off-by: Tomas Glozar <tglozar@redhat.com>
This commit is contained in:
Costa Shulyupin
2025-10-02 20:08:45 +03:00
committed by Tomas Glozar
parent 671314fce1
commit b4275b2301
2 changed files with 3 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
tools/tracing/rtla/Makefile.rtla
View File

@@ -18,7 +18,7 @@ export CC AR STRIP PKG_CONFIG LD_SO_CONF_PATH LDCONFIG
FOPTS := -flto=auto -ffat-lto-objects -fexceptions -fstack-protector-strong \
-fasynchronous-unwind-tables -fstack-clash-protection
WOPTS := -O -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 \
-Wp,-D_GLIBCXX_ASSERTIONS -Wno-maybe-uninitialized
-Wp,-D_GLIBCXX_ASSERTIONS
ifeq ($(CC),clang)
FOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(FOPTS))

3
tools/tracing/rtla/src/timerlat.c
View File

@@ -213,7 +213,8 @@ void timerlat_analyze(struct osnoise_tool *tool, bool stopped)
void timerlat_free(struct osnoise_tool *tool)
{
struct timerlat_params *params = to_timerlat_params(tool->params);
int nr_cpus, i;
int nr_cpus = sysconf(_SC_NPROCESSORS_CONF);
int i;
timerlat_aa_destroy();
if (dma_latency_fd >= 0)