linux-kernel - [PATCH v1 8/8] perf test: Additional pipe tests with pipe output written to a file

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Message-Id: <20240829150154.37929-9-irogers@google.com>
Date: Thu, 29 Aug 2024 08:01:54 -0700
From: Ian Rogers <irogers@...gle.com>
To: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, 
	Arnaldo Carvalho de Melo <acme@...nel.org>, Namhyung Kim <namhyung@...nel.org>, 
	Mark Rutland <mark.rutland@....com>, 
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>, 
	Ian Rogers <irogers@...gle.com>, Adrian Hunter <adrian.hunter@...el.com>, 
	Kan Liang <kan.liang@...ux.intel.com>, Nick Terrell <terrelln@...com>, 
	Yanteng Si <siyanteng@...ngson.cn>, Yicong Yang <yangyicong@...ilicon.com>, 
	James Clark <james.clark@...aro.org>, linux-perf-users@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: [PATCH v1 8/8] perf test: Additional pipe tests with pipe output
 written to a file

Additional pipe tests where piped files are written to disk. This
means that spotting a file name of "-" isn't a sufficient "is pipe?"
test.

Signed-off-by: Ian Rogers <irogers@...gle.com>
---
 tools/perf/tests/shell/pipe_test.sh | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/tools/perf/tests/shell/pipe_test.sh b/tools/perf/tests/shell/pipe_test.sh
index ad10012fdc29..a3c94b4182c2 100755
--- a/tools/perf/tests/shell/pipe_test.sh
+++ b/tools/perf/tests/shell/pipe_test.sh
@@ -11,6 +11,7 @@ sym="noploop"
 skip_test_missing_symbol ${sym}
 
 data=$(mktemp /tmp/perf.data.XXXXXX)
+data2=$(mktemp /tmp/perf.data2.XXXXXX)
 prog="perf test -w noploop"
 err=0
 
@@ -19,6 +20,8 @@ set -e
 cleanup() {
   rm -rf "${data}"
   rm -rf "${data}".old
+  rm -rf "${data2}"
+  rm -rf "${data2}".old
 
   trap - EXIT TERM INT
 }
@@ -49,6 +52,14 @@ test_record_report() {
     return
   fi
 
+  perf record -g -e task-clock:u -o - ${prog} > ${data}
+  if ! perf report -i ${data} --task | grep -q ${task}
+  then
+    echo "Record+report pipe test [Failed - cannot find the test file in the perf report #3]"
+    err=1
+    return
+  fi
+
   echo "Record+report pipe test [Success]"
 }
 
@@ -86,6 +97,21 @@ test_inject_bids() {
     return
   fi
 
+  perf record -e task-clock:u -o - ${prog} > ${data}
+  if ! perf inject ${inject_opt} -i ${data} | perf report -i - | grep -q ${sym}; then
+    echo "Inject ${inject_opt} build-ids test [Failed - cannot find noploop function in pipe #5]"
+    err=1
+    return
+  fi
+
+  perf record -e task-clock:u -o - ${prog} > ${data}
+  perf inject ${inject_opt} -i ${data} -o ${data2}
+  if ! perf report -i ${data2} | grep -q ${sym}; then
+    echo "Inject ${inject_opt} build-ids test [Failed - cannot find noploop function in pipe #6]"
+    err=1
+    return
+  fi
+
   echo "Inject ${inject_opt} build-ids test [Success]"
 }
 
-- 
2.46.0.295.g3b9ea8a38a-goog