[PATCH i-g-t 3/8] slabinfo

[Zbigniew Kempczyński]

---
 tests/i915/gem_ppgtt.c | 23 ++++++++++-------------
 1 file changed, 10 insertions(+), 13 deletions(-)

diff --git a/tests/i915/gem_ppgtt.c b/tests/i915/gem_ppgtt.c
index d8a448da25..df5bdb4dac 100644
--- a/tests/i915/gem_ppgtt.c
+++ b/tests/i915/gem_ppgtt.c
@@ -45,16 +45,16 @@
 #define HEIGHT 512
 #define SIZE (HEIGHT*STRIDE)
 
-static void dump_meminfo(const char *info, int lines)
+static void dump_file(const char *info, const char *filename, int lines)
 {
 	FILE *file;
 	size_t n = 0;
 	char *line = NULL;
 
-	file = fopen("/proc/meminfo", "r");
+	file = fopen(filename, "r");
 	igt_assert(file);
 
-	igt_info("[meminfo - %s]\n", info);
+	igt_info("[info - %s]\n", info);
 	while (getline(&line, &n, file) >= 0 && lines--)
 		igt_info("%s", line);
 
@@ -303,14 +303,11 @@ static bool has_contexts(void)
 igt_main
 {
 	const int ncpus = sysconf(_SC_NPROCESSORS_ONLN);
-	bool is_sandybridge = true;
 
 	igt_fixture {
 		int fd = drm_open_driver(DRIVER_INTEL);
 		uint32_t devid = intel_get_drm_devid(fd);
 
-		if (IS_SANDYBRIDGE(devid))
-			is_sandybridge = true;
 
 		igt_require_gem(fd);
 		gem_require_blitter(fd);
@@ -322,16 +319,16 @@ igt_main
 		int nchild = ncpus + 1;
 		uint64_t mem_per_test;
 
-		/* Temporary meminfo dump for SNB */
-		if (is_sandybridge)
-			dump_meminfo("before drop-caches", 16);
+		/* Temporary meminfo dump*/
+		dump_file("meminfo before drop-caches", "/proc/meminfo", 16);
+		dump_file("slabinfo before drop-caches", "/proc/slabinfo", 1 << 30);
 
 		mem_per_test = SIZE;
 		igt_require_memory(nchild + 1, mem_per_test, CHECK_RAM);
 
 		/* SNB */
-		if (is_sandybridge)
-			dump_meminfo("after drop-caches", 16);
+		dump_file("meminfo after drop-caches", "/proc/meminfo", 16);
+		dump_file("slabinfo after drop-caches", "/proc/slabinfo", 1 << 30);
 
 		rcs = calloc(sizeof(*rcs), nchild);
 		igt_assert(rcs);
@@ -349,8 +346,8 @@ igt_main
 		free(rcs);
 
 		/* SNB */
-		if (is_sandybridge)
-			dump_meminfo("finish", 16);
+		dump_file("meminfo finish", "/proc/meminfo", 16);
+		dump_file("slabinfo finish", "/proc/slabinfo", 1 << 30);
 	}
 
 	igt_subtest("blt-vs-render-ctxN") {
-- 
2.34.1