[PATCH 3/3] selftests/powerpc: Count decimal numbers of instructions
- From
- Michael Ellerman <mpe@ellerman.id.au>
- Date
- 2014-07-21 04:34:50
- Reply to
- Michael Ellerman, 2014-07-21
This just makes it easier to visually compare the expected vs actual
values, as well as the raw result from instructions.
Before:
instructions: result 68719476753 running/enabled 13101961654
cycles: result 38077343785 running/enabled 13101725752
Looped for 68719476736 instructions, overhead 17
Expected 68719476753
Actual 68719476753
Delta 0, 0.000000%
success: count_instructions
After:
instructions: result 64000000016 running/enabled 12197599964
cycles: result 35412471674 running/enabled 12197534110
Looped for 64000000000 instructions, overhead 16
Expected 64000000016
Actual 64000000016
Delta 0, 0.000000%
success: count_instructions
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
---
.../selftests/powerpc/pmu/count_instructions.c | 24 +++++++++++-----------
1 file changed, 12 insertions(+), 12 deletions(-)
diff --git a/tools/testing/selftests/powerpc/pmu/count_instructions.c b/tools/testing/selftests/powerpc/pmu/count_instructions.c
index 56572f0b1eb2..4622117b24c0 100644
--- a/tools/testing/selftests/powerpc/pmu/count_instructions.c
+++ b/tools/testing/selftests/powerpc/pmu/count_instructions.c@@ -112,23 +112,23 @@ static int test_body(void) overhead = determine_overhead(events); printf("Overhead of null loop: %llu instructions\n", overhead); - /* Run for 1M instructions */ - FAIL_IF(do_count_loop(events, 0x100000, overhead, true)); + /* Run for 1Mi instructions */ + FAIL_IF(do_count_loop(events, 1000000, overhead, true)); - /* Run for 10M instructions */ - FAIL_IF(do_count_loop(events, 0xa00000, overhead, true)); + /* Run for 10Mi instructions */ + FAIL_IF(do_count_loop(events, 10000000, overhead, true)); - /* Run for 100M instructions */ - FAIL_IF(do_count_loop(events, 0x6400000, overhead, true)); + /* Run for 100Mi instructions */ + FAIL_IF(do_count_loop(events, 100000000, overhead, true)); - /* Run for 1G instructions */ - FAIL_IF(do_count_loop(events, 0x40000000, overhead, true)); + /* Run for 1Bi instructions */ + FAIL_IF(do_count_loop(events, 1000000000, overhead, true)); - /* Run for 16G instructions */ - FAIL_IF(do_count_loop(events, 0x400000000, overhead, true)); + /* Run for 16Bi instructions */ + FAIL_IF(do_count_loop(events, 16000000000, overhead, true)); - /* Run for 64G instructions */ - FAIL_IF(do_count_loop(events, 0x1000000000, overhead, true)); + /* Run for 64Bi instructions */ + FAIL_IF(do_count_loop(events, 64000000000, overhead, true)); event_close(&events[0]); event_close(&events[1]);
--
1.9.1