diff options
Diffstat (limited to 'meta-openembedded/meta-oe/recipes-benchmark/sysbench')
2 files changed, 43 insertions, 1 deletions
diff --git a/meta-openembedded/meta-oe/recipes-benchmark/sysbench/sysbench/0001-Adding-volatile-modifier-to-tmp-variable-in-memory-t.patch b/meta-openembedded/meta-oe/recipes-benchmark/sysbench/sysbench/0001-Adding-volatile-modifier-to-tmp-variable-in-memory-t.patch new file mode 100644 index 000000000..d628e81b5 --- /dev/null +++ b/meta-openembedded/meta-oe/recipes-benchmark/sysbench/sysbench/0001-Adding-volatile-modifier-to-tmp-variable-in-memory-t.patch @@ -0,0 +1,40 @@ +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; diff --git a/meta-openembedded/meta-oe/recipes-benchmark/sysbench/sysbench_0.4.12.bb b/meta-openembedded/meta-oe/recipes-benchmark/sysbench/sysbench_0.4.12.bb index 708c71f4f..d1725dddd 100644 --- a/meta-openembedded/meta-oe/recipes-benchmark/sysbench/sysbench_0.4.12.bb +++ b/meta-openembedded/meta-oe/recipes-benchmark/sysbench/sysbench_0.4.12.bb @@ -8,7 +8,9 @@ inherit autotools # The project has moved from Sourceforge to Launchpad, to Github. Use the source tarball from # Launchpad until the next release is available from Github. -SRC_URI = "https://launchpad.net/ubuntu/+archive/primary/+files/${BPN}_${PV}.orig.tar.gz" +SRC_URI = "https://launchpad.net/ubuntu/+archive/primary/+files/${BPN}_${PV}.orig.tar.gz \ + file://0001-Adding-volatile-modifier-to-tmp-variable-in-memory-t.patch \ + " SRC_URI[md5sum] = "3a6d54fdd3fe002328e4458206392b9d" SRC_URI[sha256sum] = "83fa7464193e012c91254e595a89894d8e35b4a38324b52a5974777e3823ea9e" |