diff options
Diffstat (limited to 'meta-oe/recipes-benchmark/sysbench/sysbench/0001-Adding-volatile-modifier-to-tmp-variable-in-memory-t.patch')
-rw-r--r-- | meta-oe/recipes-benchmark/sysbench/sysbench/0001-Adding-volatile-modifier-to-tmp-variable-in-memory-t.patch | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/meta-oe/recipes-benchmark/sysbench/sysbench/0001-Adding-volatile-modifier-to-tmp-variable-in-memory-t.patch b/meta-oe/recipes-benchmark/sysbench/sysbench/0001-Adding-volatile-modifier-to-tmp-variable-in-memory-t.patch deleted file mode 100644 index d628e81b56..0000000000 --- a/meta-oe/recipes-benchmark/sysbench/sysbench/0001-Adding-volatile-modifier-to-tmp-variable-in-memory-t.patch +++ /dev/null @@ -1,40 +0,0 @@ -From c1ebf893e32a0a77e820484d48a903523fef7c1b Mon Sep 17 00:00:00 2001 -From: Vasily Tarasov <tarasov@vasily.name> -Date: Fri, 10 Jun 2016 14:33:48 -0400 -Subject: [PATCH] Adding volatile modifier to tmp variable in memory test - -Issue explanation: - -./sysbench/sysbench --test=memory --num-threads=16 \ - --memory-block-size=268435456 \ - --memory-total-size=137438953472 \ - --memory-oper=read \ - --memory-access-mode=seq \ - --memory-scope=local run - -Without this commit the time to run the above command is 0.0004 seconds. -With this commit the time is greater than 3 seconds. Essentially, -without the volatile modifier, the compiler optimizes read access so -that no real access happens. - -Upstream-Status: Backport [part of v1.0.0 https://github.com/akopytov/sysbench/commit/8753cb93be4c0b81a20b704ced91e7a422da52b1] - -(cherry picked from commit 8753cb93be4c0b81a20b704ced91e7a422da52b1) -Signed-off-by: massimo toscanelli <massimo.toscanelli@leica-geosystems.com> ---- - sysbench/tests/memory/sb_memory.c | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - -diff --git a/sysbench/tests/memory/sb_memory.c b/sysbench/tests/memory/sb_memory.c -index 2e8998f..7d22bb9 100644 ---- a/sysbench/tests/memory/sb_memory.c -+++ b/sysbench/tests/memory/sb_memory.c -@@ -244,7 +244,7 @@ sb_request_t memory_get_request(int tid) - int memory_execute_request(sb_request_t *sb_req, int thread_id) - { - sb_mem_request_t *mem_req = &sb_req->u.mem_request; -- int tmp = 0; -+ volatile int tmp = 0; - int idx; - int *buf, *end; - log_msg_t msg; |