Merge tag 'perf-tools-fixes-for-v6.11-2024-09-04' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools

Pull perf tools fixes from Namhyung Kim:
 "A number of small fixes for the late cycle:

   - Two more build fixes on 32-bit archs

   - Fixed a segfault during perf test

   - Fixed spinlock/rwlock accounting bug in perf lock contention"

* tag 'perf-tools-fixes-for-v6.11-2024-09-04' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools:
  perf daemon: Fix the build on more 32-bit architectures
  perf python: include "util/sample.h"
  perf lock contention: Fix spinlock and rwlock accounting
  perf test pmu: Set uninitialized PMU alias to null

Author: torvalds

tools/perf/builtin-daemon.c

@@ -691,7 +691,7 @@ static int cmd_session_list(struct daemon *daemon, union cmd *cmd, FILE *out)
 
 		fprintf(out, "%c%" PRIu64,
 			/* session up time */
-			csv_sep, (curr - daemon->start) / 60);
+			csv_sep, (uint64_t)((curr - daemon->start) / 60));
 
 		fprintf(out, "\n");
 	} else {
@@ -702,7 +702,7 @@ static int cmd_session_list(struct daemon *daemon, union cmd *cmd, FILE *out)
 			fprintf(out, "  lock:    %s/lock\n",
 				daemon->base);
 			fprintf(out, "  up:      %" PRIu64 " minutes\n",
-				(curr - daemon->start) / 60);
+				(uint64_t)((curr - daemon->start) / 60));
 		}
 	}
 
@@ -730,7 +730,7 @@ static int cmd_session_list(struct daemon *daemon, union cmd *cmd, FILE *out)
 
 			fprintf(out, "%c%" PRIu64,
 				/* session up time */
-				csv_sep, (curr - session->start) / 60);
+				csv_sep, (uint64_t)((curr - session->start) / 60));
 
 			fprintf(out, "\n");
 		} else {
@@ -747,7 +747,7 @@ static int cmd_session_list(struct daemon *daemon, union cmd *cmd, FILE *out)
 			fprintf(out, "  ack:     %s/%s\n",
 				session->base, SESSION_ACK);
 			fprintf(out, "  up:      %" PRIu64 " minutes\n",
-				(curr - session->start) / 60);
+				(uint64_t)((curr - session->start) / 60));
 		}
 	}
 

tools/perf/tests/pmu.c

@@ -456,11 +456,13 @@ static int test__name_cmp(struct test_suite *test __maybe_unused, int subtest __
 /**
  * Test perf_pmu__match() that's used to search for a PMU given a name passed
  * on the command line. The name that's passed may also be a filename type glob
- * match.
+ * match. If the name does not match, perf_pmu__match() attempts to match the
+ * alias of the PMU, if provided.
  */
 static int test__pmu_match(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
 {
 	struct perf_pmu test_pmu;
+	test_pmu.alias_name = NULL;
 
 	test_pmu.name = "pmuname";
 	TEST_ASSERT_EQUAL("Exact match", perf_pmu__match(&test_pmu, "pmuname"),	     true);

tools/perf/util/bpf_lock_contention.c

@@ -286,6 +286,9 @@ static void account_end_timestamp(struct lock_contention *con)
 			goto next;
 
 		for (int i = 0; i < total_cpus; i++) {
+			if (cpu_data[i].lock == 0)
+				continue;
+
 			update_lock_stat(stat_fd, -1, end_ts, aggr_mode,
 					 &cpu_data[i]);
 		}

tools/perf/util/python.c

@@ -20,6 +20,7 @@
 #include "util/env.h"
 #include "util/kvm-stat.h"
 #include "util/kwork.h"
+#include "util/sample.h"
 #include "util/lock-contention.h"
 #include <internal/lib.h>
 #include "../builtin.h"