diff options
Diffstat (limited to 'meta/recipes-rt/rt-tests/files/cyclictest-finish-removal-of-1-second-first-loops.patch')
| -rw-r--r-- | meta/recipes-rt/rt-tests/files/cyclictest-finish-removal-of-1-second-first-loops.patch | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/meta/recipes-rt/rt-tests/files/cyclictest-finish-removal-of-1-second-first-loops.patch b/meta/recipes-rt/rt-tests/files/cyclictest-finish-removal-of-1-second-first-loops.patch deleted file mode 100644 index a9cc0e34ef..0000000000 --- a/meta/recipes-rt/rt-tests/files/cyclictest-finish-removal-of-1-second-first-loops.patch +++ /dev/null @@ -1,61 +0,0 @@ -From 8959451a8ec5dc83dcb2dba6701abe8bf419e12c Mon Sep 17 00:00:00 2001 -Message-Id: <8959451a8ec5dc83dcb2dba6701abe8bf419e12c.1358783585.git.Jim.Somerville@windriver.com> -From: Jim Somerville <Jim.Somerville@windriver.com> -Date: Mon, 21 Jan 2013 10:50:18 -0500 -Subject: [PATCH 1/1] cyclictest: finish removal of 1 second first loops - -Observation: -Huge latencies reported close to 1 second when certain options -are used in cyclictest. - -Problem: -[ commit da4956cbcaf7945554f30e4d3a9be09b1431b19a - use interval on first loop instead of 1 second ] -removed the 1 second first timing loop out of the main path -in cyclictest but left it in two other paths, namely the ones -triggered by these two options: --r --relative use relative timer instead of absolute --s --system use sys_nanosleep and sys_setitimer -This causes huge latencies of close to 1 second to be reported -by cyclictest with certain uses of those two options. - -Fix: -Extend the original commit to remove the 1 second hardcoded -timer values from the RELTIME and ITIMER options. Use the -the actual interval instead. - -Upstream-Status: Accepted -[ https://git.kernel.org/cgit/linux/kernel/git/clrkwllms/rt-tests.git/commit/?h=work&id=1b92da30837e9552aba209cbdf938877f0fd3bbf ] - -Signed-off-by: Jim Somerville <Jim.Somerville@windriver.com> ---- - src/cyclictest/cyclictest.c | 6 ++---- - 1 files changed, 2 insertions(+), 4 deletions(-) - -diff --git a/src/cyclictest/cyclictest.c b/src/cyclictest/cyclictest.c -index 11b6cea..8487409 100644 ---- a/src/cyclictest/cyclictest.c -+++ b/src/cyclictest/cyclictest.c -@@ -741,17 +741,15 @@ void *timerthread(void *param) - if (par->timermode == TIMER_ABSTIME) - tspec.it_value = next; - else { -- tspec.it_value.tv_nsec = 0; -- tspec.it_value.tv_sec = 1; -+ tspec.it_value = interval; - } - timer_settime(timer, par->timermode, &tspec, NULL); - } - - if (par->mode == MODE_SYS_ITIMER) { -- itimer.it_value.tv_sec = 1; -- itimer.it_value.tv_usec = 0; - itimer.it_interval.tv_sec = interval.tv_sec; - itimer.it_interval.tv_usec = interval.tv_nsec / 1000; -+ itimer.it_value = itimer.it_interval; - setitimer (ITIMER_REAL, &itimer, NULL); - } - --- -1.7.4.1 - |