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    <p>Hi Kamil, <br>
    </p>
    <div class="moz-cite-prefix">On 6/20/2024 4:20 PM, Kamil Konieczny
      wrote:<br>
    </div>
    <blockquote type="cite" cite="mid:20240620142007.ywhmpjokrnnpbhnv@kamilkon-DESK.igk.intel.com">
      <pre class="moz-quote-pre" wrap="">Hi Nirmoy,
On 2024-06-18 at 19:32:47 +0200, Nirmoy Das wrote:

[PATCH i-g-t v2] tests/intel/xe_exec_store: Add basic_inst_benchmark
-----------------------------------------------------^

You should use '-', also your subtest has 'store', so:

[PATCH i-g-t v2] tests/intel/xe_exec_store: Add basic-store-benchmark</pre>
    </blockquote>
    <p>Will do that</p>
    <p><br>
    </p>
    <blockquote type="cite" cite="mid:20240620142007.ywhmpjokrnnpbhnv@kamilkon-DESK.igk.intel.com">
      <pre class="moz-quote-pre" wrap="">

</pre>
      <blockquote type="cite">
        <pre class="moz-quote-pre" wrap="">Add basic_inst_benchmark to benchmark this basic operation
for BO sizes to get basic understanding how long it takes
bind a BO and run simple GPU command on it.

This not a CI test but rather for developer to identify various
bottleneck/regression in  BO binding.

Signed-off-by: Nirmoy Das <a class="moz-txt-link-rfc2396E" href="mailto:nirmoy.das@intel.com"><nirmoy.das@intel.com></a>
---
 tests/intel/xe_exec_store.c | 110 ++++++++++++++++++++++++++++++------
 1 file changed, 92 insertions(+), 18 deletions(-)

</pre>
      </blockquote>
      <pre class="moz-quote-pre" wrap="">
This didn't work on my ATS-M machine:

sudo build/tests/xe_exec_store --r basic-store-benchmark
IGT-Version: 1.28-g64414e4da (x86_64) (Linux: 6.9.0-rc6-xe-public-513ea833c201+ x86_64)
Using IGT_SRANDOM=1718890917 for randomisation
Opened device: /dev/dri/card0
Starting subtest: basic-store-benchmark
Starting dynamic subtest: WC
Dynamic subtest WC: SUCCESS (0.000s)
(xe_exec_store:15881) xe/xe_ioctl-CRITICAL: Test assertion failure function xe_bo_create_caching, file ../lib/xe/xe_ioctl.c:311:
(xe_exec_store:15881) xe/xe_ioctl-CRITICAL: Failed assertion: __xe_bo_create_caching(fd, vm, size, placement, flags, cpu_caching, &handle) == 0
(xe_exec_store:15881) xe/xe_ioctl-CRITICAL: Last errno: 22, Invalid argument
(xe_exec_store:15881) xe/xe_ioctl-CRITICAL: error: -1 != 0</pre>
    </blockquote>
    <p>I guess WC cache is not allowed on dGFX, dmesg should let us
      know. I will check and fix it. Thanks for trying it out.</p>
    <p><br>
    </p>
    <blockquote type="cite" cite="mid:20240620142007.ywhmpjokrnnpbhnv@kamilkon-DESK.igk.intel.com">
      <pre class="moz-quote-pre" wrap="">

Also, where are benchmarks? Do you print them only after
WC and WB runs? </pre>
    </blockquote>
    It should something like: <br>
    <p style="margin:0in;font-family:Calibri;font-size:11.0pt" lang="en-US">sudo<span style="mso-spacerun:yes">  </span>~/igt-gpu-tools/build/tests/xe_exec_store
      --run basic-store-benchmark</p>
    <p style="margin:0in;font-family:Calibri;font-size:11.0pt" lang="en-US">IGT-Version:
      1.28-g2ed908c0b (x86_64) (Linux: 6.10.0-rc2-xe+ x86_64)</p>
    <p style="margin:0in;font-family:Calibri;font-size:11.0pt" lang="en-US">Using
      IGT_SRANDOM=1718739607 for randomisation</p>
    <p style="margin:0in;font-family:Calibri;font-size:11.0pt" lang="en-US">Opened
      device: /dev/dri/card0</p>
    <p style="margin:0in;font-family:Calibri;font-size:11.0pt" lang="en-US">Starting
      subtest: basic-store-benchmark</p>
    <p style="margin:0in;font-family:Calibri;font-size:11.0pt" lang="en-US">Starting
      dynamic subtest: WC</p>
    <p style="margin:0in;font-family:Calibri;font-size:11.0pt" lang="en-US">Dynamic
      subtest WC: SUCCESS (0.000s)</p>
    <p style="margin:0in;font-family:Calibri;font-size:11.0pt" lang="en-US">Time
      taken for size SZ_4K: 8 ms</p>
    <p style="margin:0in;font-family:Calibri;font-size:11.0pt" lang="en-US">Time
      taken for size SZ_2M: 7 ms</p>
    <p style="margin:0in;font-family:Calibri;font-size:11.0pt" lang="en-US">Time
      taken for size SZ_64M: 15 ms</p>
    <p style="margin:0in;font-family:Calibri;font-size:11.0pt" lang="en-US">Time
      taken for size SZ_128M: 16 ms</p>
    <p style="margin:0in;font-family:Calibri;font-size:11.0pt" lang="en-US">Time
      taken for size SZ_256M: 33 ms</p>
    <p style="margin:0in;font-family:Calibri;font-size:11.0pt" lang="en-US">Time
      taken for size SZ_1G: 110 ms</p>
    <p style="margin:0in;font-family:Calibri;font-size:11.0pt" lang="en-US">Starting
      dynamic subtest: WB</p>
    <p style="margin:0in;font-family:Calibri;font-size:11.0pt" lang="en-US">Dynamic
      subtest WB: SUCCESS (0.000s)</p>
    <p style="margin:0in;font-family:Calibri;font-size:11.0pt" lang="en-US">Time
      taken for size SZ_4K: 4 ms</p>
    <p style="margin:0in;font-family:Calibri;font-size:11.0pt" lang="en-US">Time
      taken for size SZ_2M: 5 ms</p>
    <p style="margin:0in;font-family:Calibri;font-size:11.0pt" lang="en-US">Time
      taken for size SZ_64M: 16 ms</p>
    <p style="margin:0in;font-family:Calibri;font-size:11.0pt" lang="en-US">Time
      taken for size SZ_128M: 29 ms</p>
    <p style="margin:0in;font-family:Calibri;font-size:11.0pt" lang="en-US">Time
      taken for size SZ_256M: 49 ms</p>
    <p style="margin:0in;font-family:Calibri;font-size:11.0pt" lang="en-US">Time
      taken for size SZ_1G: 176 ms</p>
    <p style="margin:0in;font-family:Calibri;font-size:11.0pt" lang="en-US"><br>
    </p>
    <p style="margin:0in;font-family:Calibri;font-size:11.0pt" lang="en-US"><br>
    </p>
    <p style="margin:0in;font-family:Calibri;font-size:11.0pt" lang="en-US">Btw I realized --dyn doesn't work, the test executes
      WC always even with --dyn :/ any ideas ?<br>
    </p>
    <blockquote type="cite" cite="mid:20240620142007.ywhmpjokrnnpbhnv@kamilkon-DESK.igk.intel.com">
      <pre class="moz-quote-pre" wrap="">See also one nit below.

</pre>
      <blockquote type="cite">
        <pre class="moz-quote-pre" wrap="">diff --git a/tests/intel/xe_exec_store.c b/tests/intel/xe_exec_store.c
index c872c22d5..4b1c619e0 100644
--- a/tests/intel/xe_exec_store.c
+++ b/tests/intel/xe_exec_store.c
@@ -93,15 +93,10 @@ static void persistance_batch(struct data *data, uint64_t addr)
        data->addr = batch_addr;
 
 }
-/**
- * SUBTEST: basic-store
- * Description: Basic test to verify store dword.
- * SUBTEST: basic-cond-batch
- * Description: Basic test to verify cond batch end instruction.
- * SUBTEST: basic-all
- * Description: Test to verify store dword on all available engines.
- */
-static void basic_inst(int fd, int inst_type, struct drm_xe_engine_class_instance *eci)
+
+static void basic_inst_size(int fd, int inst_type,
+                           struct drm_xe_engine_class_instance *eci,
+                           uint16_t cpu_caching, size_t bo_size)
 {
        struct drm_xe_sync sync[2] = {
                { .type = DRM_XE_SYNC_TYPE_SYNCOBJ, .flags = DRM_XE_SYNC_FLAG_SIGNAL, },
@@ -117,7 +112,6 @@ static void basic_inst(int fd, int inst_type, struct drm_xe_engine_class_instanc
        uint32_t exec_queue;
        uint32_t bind_engine;
        uint32_t syncobj;
-       size_t bo_size;
        int value = 0x123456;
        uint64_t addr = 0x100000;
        uint32_t bo = 0;
@@ -127,12 +121,16 @@ static void basic_inst(int fd, int inst_type, struct drm_xe_engine_class_instanc
        sync[1].handle = syncobj;
 
        vm = xe_vm_create(fd, 0, 0);
-       bo_size = sizeof(*data);
-       bo_size = xe_bb_size(fd, bo_size);
 
-       bo = xe_bo_create(fd, vm, bo_size,
-                         vram_if_possible(fd, eci->gt_id),
-                         DRM_XE_GEM_CREATE_FLAG_NEEDS_VISIBLE_VRAM);
+       if (cpu_caching)
+               bo = xe_bo_create_caching(fd, vm, bo_size,
+                                         vram_if_possible(fd, eci->gt_id),
+                                         DRM_XE_GEM_CREATE_FLAG_NEEDS_VISIBLE_VRAM,
+                                         cpu_caching);
+       else
+               bo = xe_bo_create(fd, vm, bo_size,
+                                 vram_if_possible(fd, eci->gt_id),
+                                 DRM_XE_GEM_CREATE_FLAG_NEEDS_VISIBLE_VRAM);
 
        exec_queue = xe_exec_queue_create(fd, vm, eci, 0);
        bind_engine = xe_bind_exec_queue_create(fd, vm, 0);
@@ -167,6 +165,66 @@ static void basic_inst(int fd, int inst_type, struct drm_xe_engine_class_instanc
        xe_vm_destroy(fd, vm);
 }
 
+
</pre>
      </blockquote>
      <pre class="moz-quote-pre" wrap="">
Remove extra line.</pre>
    </blockquote>
    <p>Will remove it.</p>
    <p><br>
    </p>
    <p>Thanks!</p>
    <p>Nirmoy<br>
    </p>
    <blockquote type="cite" cite="mid:20240620142007.ywhmpjokrnnpbhnv@kamilkon-DESK.igk.intel.com">
      <pre class="moz-quote-pre" wrap="">

Regards,
Kamil

</pre>
      <blockquote type="cite">
        <pre class="moz-quote-pre" wrap="">+/**
+ * SUBTEST: basic-store
+ * Description: Basic test to verify store dword.
+ * SUBTEST: basic-cond-batch
+ * Description: Basic test to verify cond batch end instruction.
+ * SUBTEST: basic-all
+ * Description: Test to verify store dword on all available engines.
+ */
+static void basic_inst(int fd, int inst_type,
+                      struct drm_xe_engine_class_instance *eci,
+                      uint16_t cpu_caching)
+{
+       size_t bo_size;
+
+       bo_size = sizeof(struct data);
+       bo_size = xe_bb_size(fd, bo_size);
+
+       basic_inst_size(fd, inst_type, eci, cpu_caching, bo_size);
+}
+
+/**
+ * SUBTEST: basic-store-benchmark
+ * Description: Basic test to verify time taken for doing store dword with various size.
+ */
+static void basic_inst_benchmark(int fd, int inst_type,
+                                struct drm_xe_engine_class_instance *eci,
+                                uint16_t cpu_caching)
+{
+       struct {
+               size_t size;
+               const char *name;
+       } sizes[] = {
+               {SZ_4K, "SZ_4K"},
+               {SZ_2M, "SZ_2M"},
+               {SZ_64M, "SZ_64M"},
+               {SZ_128M, "SZ_128M"},
+               {SZ_256M, "SZ_256M"},
+               {SZ_1G, "SZ_1G"}
+       };
+
+       struct timeval start, end;
+       long seconds, useconds, mtime;
+
+       for (size_t i = 0; i < ARRAY_SIZE(sizes); ++i) {
+               size_t bo_size = sizes[i].size;
+               const char *size_name = sizes[i].name;
+
+               gettimeofday(&start, NULL);
+               basic_inst_size(fd, inst_type, eci, cpu_caching, bo_size);
+               gettimeofday(&end, NULL);
+
+               seconds = end.tv_sec - start.tv_sec;
+               useconds = end.tv_usec - start.tv_usec;
+               mtime = ((seconds) * 1000 + useconds / 1000.0) + 0.5;
+
+               igt_info("Time taken for size %s: %ld ms\n", size_name, mtime);
+       }
+}
+
 #define PAGES 1
 #define NCACHELINES (4096/64)
 /**
@@ -342,12 +400,28 @@ igt_main
 
        igt_subtest("basic-store") {
                engine = xe_engine(fd, 1);
-               basic_inst(fd, STORE, &engine->instance);
+               basic_inst(fd, COND_BATCH, &engine->instance, 0);
+       }
+
+       igt_subtest_with_dynamic("basic-store-benchmark") {
+               struct dyn {
+                       const char *name;
+                       int cache;
+               } tests[] = {
+                       {"WC", DRM_XE_GEM_CPU_CACHING_WC},
+                       {"WB", DRM_XE_GEM_CPU_CACHING_WB}
+               };
+
+               for (int i = 0; i < ARRAY_SIZE(tests); i++) {
+                       igt_dynamic_f("%s", tests[i].name);
+                       engine = xe_engine(fd, 1);
+                       basic_inst_benchmark(fd, STORE, &engine->instance, tests[i].cache);
+               }
        }
 
        igt_subtest("basic-cond-batch") {
                engine = xe_engine(fd, 1);
-               basic_inst(fd, COND_BATCH, &engine->instance);
+               basic_inst(fd, COND_BATCH, &engine->instance, 0);
        }
 
        igt_subtest_with_dynamic("basic-all") {
@@ -356,7 +430,7 @@ igt_main
                                      xe_engine_class_string(hwe->engine_class),
                                      hwe->engine_instance,
                                      hwe->gt_id);
-                       basic_inst(fd, STORE, hwe);
+                       basic_inst(fd, STORE, hwe, 0);
                }
        }
 
-- 
2.42.0

</pre>
      </blockquote>
    </blockquote>
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