[Intel-gfx] [PATCH i-g-t 05/19] i915/gem_exec_whisper: Measure total power consumed

[Chris Wilson]

Show the total power consumed across all the whispers.

Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
---
 tests/i915/gem_exec_whisper.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/tests/i915/gem_exec_whisper.c b/tests/i915/gem_exec_whisper.c
index 0b15fe431..6c3b53756 100644
--- a/tests/i915/gem_exec_whisper.c
+++ b/tests/i915/gem_exec_whisper.c
@@ -28,8 +28,9 @@
  */
 
 #include "igt.h"
-#include "igt_gt.h"
 #include "igt_debugfs.h"
+#include "igt_gpu_power.h"
+#include "igt_gt.h"
 #include "igt_rand.h"
 #include "igt_sysfs.h"
 
@@ -192,6 +193,8 @@ static void whisper(int fd, unsigned engine, unsigned flags)
        unsigned int reloc_migrations = 0;
        unsigned int reloc_interruptions = 0;
        unsigned int eb_migrations = 0;
+       struct gpu_power_sample sample[2];
+       struct gpu_power power;
        uint64_t old_offset;
        int i, n, loc;
        int debugfs;
@@ -202,6 +205,7 @@ static void whisper(int fd, unsigned engine, unsigned flags)
        }
 
        debugfs = igt_debugfs_dir(fd);
+       gpu_power_open(&power);
 
        nengine = 0;
        if (engine == ALL_ENGINES) {
@@ -226,6 +230,7 @@ static void whisper(int fd, unsigned engine, unsigned flags)
                init_hang(&hang);
 
        intel_detect_and_clear_missed_interrupts(fd);
+       gpu_power_read(&power, &sample[0]);
        igt_fork(child, flags & FORKED ? sysconf(_SC_NPROCESSORS_ONLN) : 1)  {
                unsigned int pass;
 
@@ -495,6 +500,10 @@ static void whisper(int fd, unsigned engine, unsigned 
flags)
                fini_hang(&hang);
        else
                igt_assert_eq(intel_detect_and_clear_missed_interrupts(fd), 0);
+       if (gpu_power_read(&power, &sample[1]))  {
+               igt_info("Total energy used: %.1fmJ\n",
+                        gpu_power_J(&power, &sample[0], &sample[1]) * 1e3);
+       }
 
        close(debugfs);
 }
-- 
2.20.1

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