perf record: Add auto counter reload parse and regression tests

Include event parsing and regression tests for auto counter reload
and ratio-to-prev event term.

Reviewed-by: Ian Rogers <irogers@google.com>
Signed-off-by: Thomas Falcon <thomas.falcon@intel.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Dapeng Mi <dapeng1.mi@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 40 insertions, 0 deletions

diff --git a/tools/perf/tests/shell/record.sh b/tools/perf/tests/shell/record.sh
index b1ad24fb3b33..0f5841c479e7 100755
--- a/tools/perf/tests/shell/record.sh
+++ b/tools/perf/tests/shell/record.sh
@@ -388,6 +388,45 @@ test_callgraph() {
   echo "Callgraph test [Success]"
 }
 
+test_ratio_to_prev() {
+  echo "ratio-to-prev test"
+  if ! perf record -o /dev/null -e "{instructions, cycles/period=100000,ratio-to-prev=0.5/}" \
+     true 2> /dev/null
+  then
+    echo "ratio-to-prev [Skipped not supported]"
+    return
+  fi
+  if ! perf record -o /dev/null -e "instructions, cycles/period=100000,ratio-to-prev=0.5/" \
+     true |& grep -q 'Invalid use of ratio-to-prev term without preceding element in group'
+  then
+    echo "ratio-to-prev test [Failed elements must be in same group]"
+    err=1
+    return
+  fi
+  if ! perf record -o /dev/null -e "{instructions,dummy,cycles/period=100000,ratio-to-prev=0.5/}" \
+     true |& grep -q 'must have same PMU'
+  then
+    echo "ratio-to-prev test [Failed elements must have same PMU]"
+    err=1
+    return
+  fi
+  if ! perf record -o /dev/null -e "{instructions,cycles/ratio-to-prev=0.5/}" \
+     true |& grep -q 'Event period term or count (-c) must be set when using ratio-to-prev term.'
+  then
+    echo "ratio-to-prev test [Failed period must be set]"
+    err=1
+    return
+  fi
+  if ! perf record -o /dev/null -e "{cycles/ratio-to-prev=0.5/}" \
+     true |& grep -q 'Invalid use of ratio-to-prev term without preceding element in group'
+  then
+    echo "ratio-to-prev test [Failed need 2+ events]"
+    err=1
+    return
+  fi
+  echo "Basic ratio-to-prev record test [Success]"
+}
+
 # raise the limit of file descriptors to minimum
 if [[ $default_fd_limit -lt $min_fd_limit ]]; then
        ulimit -Sn $min_fd_limit
@@ -404,6 +443,7 @@ test_leader_sampling
 test_topdown_leader_sampling
 test_precise_max
 test_callgraph
+test_ratio_to_prev
 
 # restore the default value
 ulimit -Sn $default_fd_limit