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authorIan Rogers <irogers@google.com>2023-06-08 16:28:04 -0700
committerArnaldo Carvalho de Melo <acme@redhat.com>2023-06-12 15:57:53 -0300
commitf6005cafebab72f8c02100dc896d6cfd5b8918cb (patch)
tree583e3f034984b22ac0b86328b529e709480725a8 /tools/perf/ui/hist.c
parent0dd5041c9a0eaf8c5c3fd46df4ee60f877799f44 (diff)
perf thread: Add reference count checking
Modify struct declaration and accessor functions for the reference count checkers additional layer of indirection. Make sure pid_cmp in builtin-sched.c uses the underlying/original struct in pointer arithmetic, and not the temporary get/put indirection. Signed-off-by: Ian Rogers <irogers@google.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ali Saidi <alisaidi@amazon.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com> Cc: Brian Robbins <brianrob@linux.microsoft.com> Cc: Changbin Du <changbin.du@huawei.com> Cc: Dmitrii Dolgov <9erthalion6@gmail.com> Cc: Fangrui Song <maskray@google.com> Cc: German Gomez <german.gomez@arm.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Ivan Babrou <ivan@cloudflare.com> Cc: James Clark <james.clark@arm.com> Cc: Jing Zhang <renyu.zj@linux.alibaba.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Garry <john.g.garry@oracle.com> Cc: K Prateek Nayak <kprateek.nayak@amd.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Liam Howlett <liam.howlett@oracle.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Miguel Ojeda <ojeda@kernel.org> Cc: Mike Leach <mike.leach@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ravi Bangoria <ravi.bangoria@amd.com> Cc: Sean Christopherson <seanjc@google.com> Cc: Steinar H. Gunderson <sesse@google.com> Cc: Suzuki Poulouse <suzuki.poulose@arm.com> Cc: Wenyu Liu <liuwenyu7@huawei.com> Cc: Will Deacon <will@kernel.org> Cc: Yang Jihong <yangjihong1@huawei.com> Cc: Ye Xingchen <ye.xingchen@zte.com.cn> Cc: Yuan Can <yuancan@huawei.com> Cc: coresight@lists.linaro.org Cc: linux-arm-kernel@lists.infradead.org Link: https://lore.kernel.org/r/20230608232823.4027869-8-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/ui/hist.c')
-rw-r--r--tools/perf/ui/hist.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
index f164bd26fc41..2bf959d08354 100644
--- a/tools/perf/ui/hist.c
+++ b/tools/perf/ui/hist.c
@@ -11,6 +11,7 @@
#include "../util/sort.h"
#include "../util/evsel.h"
#include "../util/evlist.h"
+#include "../util/thread.h"
#include "../util/util.h"
/* hist period print (hpp) functions */
@@ -274,7 +275,9 @@ static int __hpp__sort_acc(struct hist_entry *a, struct hist_entry *b,
if (ret)
return ret;
- if (a->thread != b->thread || !hist_entry__has_callchains(a) || !symbol_conf.use_callchain)
+ if ((a->thread == NULL ? NULL : RC_CHK_ACCESS(a->thread)) !=
+ (b->thread == NULL ? NULL : RC_CHK_ACCESS(b->thread)) ||
+ !hist_entry__has_callchains(a) || !symbol_conf.use_callchain)
return 0;
ret = b->callchain->max_depth - a->callchain->max_depth;