perf test: Add basic perf record tests

Test the --per-thread flag.

Test Intel machine state capturing.

Suggested-by: Namhyung Kim <[email protected]>
Signed-off-by: Ian Rogers <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Alexey Bayduraev <[email protected]>
Cc: Alexey Bayduraev <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Riccardo Mancini <[email protected]>
Cc: Stephane Eranian <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>

tools/perf/tests/shell/record.sh

@@ -0,0 +1,42 @@
+#!/bin/sh
+# perf record tests
+# SPDX-License-Identifier: GPL-2.0
+
+set -e
+
+err=0
+test_per_thread() {
+  echo "Basic --per-thread mode test"
+  perf record -e instructions:u --per-thread -o- true 2> /dev/null \
+    | perf report -i- -q \
+    | egrep -q true
+  echo "Basic --per-thread mode test [Success]"
+}
+
+test_register_capture() {
+  echo "Register capture test"
+  if ! perf list | egrep -q 'br_inst_retired.near_call'
+  then
+    echo "Register capture test [Skipped missing instruction]"
+    return
+  fi
+  if ! perf record --intr-regs=\? 2>&1 | egrep -q 'available registers: AX BX CX DX SI DI BP SP IP FLAGS CS SS R8 R9 R10 R11 R12 R13 R14 R15'
+  then
+    echo "Register capture test [Skipped missing registers]"
+    return
+  fi
+  if ! perf record -o - --intr-regs=di,r8,dx,cx -e cpu/br_inst_retired.near_call/p \
+    -c 1000 --per-thread true 2> /dev/null \
+    | perf script -F ip,sym,iregs -i - 2> /dev/null \
+    | egrep -q "DI:"
+  then
+    echo "Register capture test [Failed missing output]"
+    err=1
+    return
+  fi
+  echo "Register capture test [Success]"
+}
+
+test_per_thread
+test_register_capture
+exit $err