From b23d5ced109e69369dbb372d1ce411e17b93487c Mon Sep 17 00:00:00 2001 From: Joakim Hernberg Date: Thu, 14 Aug 2014 19:29:29 +0200 Subject: cyclictest: make affinity option only use number of online cpus When I boot my 8 core i7 laptop with the maxcpus=4 kernel boot flag, cyclictest -S runs 8 threads. This patch makes it only use the number of online cpus instead. Signed-off-by: Joakim Hernberg Signed-off-by: John Kacur --- src/cyclictest/cyclictest.c | 2 +- src/cyclictest/rt_numa.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/src/cyclictest/cyclictest.c b/src/cyclictest/cyclictest.c index a3e7b1d..c727d54 100644 --- a/src/cyclictest/cyclictest.c +++ b/src/cyclictest/cyclictest.c @@ -1763,7 +1763,7 @@ int main(int argc, char **argv) sigset_t sigset; int signum = SIGALRM; int mode; - int max_cpus = sysconf(_SC_NPROCESSORS_CONF); + int max_cpus = sysconf(_SC_NPROCESSORS_ONLN); int i, ret = -1; int status; diff --git a/src/cyclictest/rt_numa.h b/src/cyclictest/rt_numa.h index 60a1437..06c9420 100644 --- a/src/cyclictest/rt_numa.h +++ b/src/cyclictest/rt_numa.h @@ -128,7 +128,7 @@ static int rt_numa_numa_node_of_cpu(int cpu) int max_node, max_cpus; max_node = numa_max_node(); - max_cpus = sysconf(_SC_NPROCESSORS_CONF); + max_cpus = sysconf(_SC_NPROCESSORS_ONLN); if (cpu > max_cpus) { errno = EINVAL; -- cgit 1.2.3-korg