Merge tag 'perf-urgent-2020-04-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull more perf updates from Thomas Gleixner:
 "Perf updates all over the place:

  core:

   - Support for cgroup tracking in samples to allow cgroup based
     analysis

  tools:

   - Support for cgroup analysis

   - Commandline option and hotkey for perf top to change the sort order

   - A set of fixes all over the place

   - Various build system related improvements

   - Updates of the X86 pmu event JSON data

   - Documentation updates"

* tag 'perf-urgent-2020-04-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (55 commits)
  perf python: Fix clang detection to strip out options passed in $CC
  perf tools: Support Python 3.8+ in Makefile
  perf script: Fix invalid read of directory entry after closedir()
  perf script report: Fix SEGFAULT when using DWARF mode
  perf script: add -S/--symbols documentation
  perf pmu-events x86: Use CPU_CLK_UNHALTED.THREAD in Kernel_Utilization metric
  perf events parser: Add missing Intel CPU events to parser
  perf script: Allow --symbol to accept hexadecimal addresses
  perf report/top TUI: Fix title line formatting
  perf top: Support hotkey to change sort order
  perf top: Support --group-sort-idx to change the sort order
  perf symbols: Fix arm64 gap between kernel start and module end
  perf build-test: Honour JOBS to override detection of number of cores
  perf script: Add --show-cgroup-events option
  perf top: Add --all-cgroups option
  perf record: Add --all-cgroups option
  perf record: Support synthesizing cgroup events
  perf report: Add 'cgroup' sort key
  perf cgroup: Maintain cgroup hierarchy
  perf tools: Basic support for CGROUP event
  ...

1 files changed, 30 insertions, 0 deletions

diff --git a/tools/perf/pmu-events/jevents.c b/tools/perf/pmu-events/jevents.c
index 3c4236a5bad8..fa86c5f997cc 100644
--- a/tools/perf/pmu-events/jevents.c
+++ b/tools/perf/pmu-events/jevents.c
@@ -771,6 +771,19 @@ static void print_mapping_table_suffix(FILE *outfp)
 	fprintf(outfp, "};\n");
 }
 
+static void print_mapping_test_table(FILE *outfp)
+{
+	/*
+	 * Print the terminating, NULL entry.
+	 */
+	fprintf(outfp, "{\n");
+	fprintf(outfp, "\t.cpuid = \"testcpu\",\n");
+	fprintf(outfp, "\t.version = \"v1\",\n");
+	fprintf(outfp, "\t.type = \"core\",\n");
+	fprintf(outfp, "\t.table = pme_test_cpu,\n");
+	fprintf(outfp, "},\n");
+}
+
 static int process_mapfile(FILE *outfp, char *fpath)
 {
 	int n = 16384;
@@ -848,6 +861,7 @@ static int process_mapfile(FILE *outfp, char *fpath)
 	}
 
 out:
+	print_mapping_test_table(outfp);
 	print_mapping_table_suffix(outfp);
 	fclose(mapfp);
 	free(line);
@@ -1168,6 +1182,22 @@ int main(int argc, char *argv[])
 		goto empty_map;
 	}
 
+	sprintf(ldirname, "%s/test", start_dirname);
+
+	rc = nftw(ldirname, process_one_file, maxfds, 0);
+	if (rc && verbose) {
+		pr_info("%s: Error walking file tree %s rc=%d for test\n",
+			prog, ldirname, rc);
+		goto empty_map;
+	} else if (rc < 0) {
+		/* Make build fail */
+		free_arch_std_events();
+		ret = 1;
+		goto out_free_mapfile;
+	} else if (rc) {
+		goto empty_map;
+	}
+
 	if (close_table)
 		print_events_table_suffix(eventsfp);