From: John Kacur <jkacur@redhat.com>
To: Daniel Wagner <dwagner@suse.de>
Cc: Clark Williams <williams@redhat.com>, linux-rt-users@vger.kernel.org
Subject: Re: [rt-tests v2 v2 07/20] signaltest: Always use libnuma
Date: Tue, 26 Jan 2021 01:29:50 -0500 (EST) [thread overview]
Message-ID: <db225991-c58d-3c2a-ce85-23bc95a0c14b@redhat.com> (raw)
In-Reply-To: <20201218161843.1764-8-dwagner@suse.de>
On Fri, 18 Dec 2020, Daniel Wagner wrote:
> libnuma is hard dependency for signaltest. Thus we can always call
> numa_initialize(). This allows us to remove the global 'numa' variable
> to track if libnuma has been initialized or not.
>
> Signed-off-by: Daniel Wagner <dwagner@suse.de>
> ---
> src/signaltest/signaltest.c | 10 ++++------
> 1 file changed, 4 insertions(+), 6 deletions(-)
>
> diff --git a/src/signaltest/signaltest.c b/src/signaltest/signaltest.c
> index 918d2ab98f6e..b3a82f8c4f65 100644
> --- a/src/signaltest/signaltest.c
> +++ b/src/signaltest/signaltest.c
> @@ -206,7 +206,6 @@ static int quiet;
> static int lockall;
> static struct bitmask *affinity_mask = NULL;
> static int smp = 0;
> -static int numa = 0;
> static int setaffinity = AFFINITY_UNSPECIFIED;
>
> /* Process commandline options */
> @@ -214,6 +213,7 @@ static void process_options(int argc, char *argv[], unsigned int max_cpus)
> {
> int option_affinity = 0;
> int error = 0;
> + int numa = 0;
>
> for (;;) {
> int option_index = 0;
> @@ -242,8 +242,6 @@ static void process_options(int argc, char *argv[], unsigned int max_cpus)
> /* smp sets AFFINITY_USEALL in OPT_SMP */
> if (smp)
> break;
> - if (numa_initialize())
> - fatal("Couldn't initialize libnuma");
> numa = 1;
> if (optarg) {
> parse_cpumask(optarg, max_cpus, &affinity_mask);
> @@ -298,9 +296,6 @@ static void process_options(int argc, char *argv[], unsigned int max_cpus)
>
> /* if smp wasn't requested, test for numa automatically */
> if (!smp) {
> - if (numa_initialize())
> - fatal("Couldn't initialize libnuma");
> - numa = 1;
> if (setaffinity == AFFINITY_UNSPECIFIED)
> setaffinity = AFFINITY_USEALL;
> }
> @@ -354,6 +349,9 @@ int main(int argc, char **argv)
> int status, cpu;
> int max_cpus = sysconf(_SC_NPROCESSORS_ONLN);
>
> + if (numa_initialize())
> + fatal("Couldn't initialize libnuma");
> +
> process_options(argc, argv, max_cpus);
>
> if (check_privs())
> --
> 2.29.2
>
>
Signed-off-by: John Kacur <jkacur@redhat.com>
next prev parent reply other threads:[~2021-01-26 18:44 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-18 16:18 [rt-tests v2 v2 00/20] rt-numa.h cleanups Daniel Wagner
2020-12-18 16:18 ` [rt-tests v2 v2 01/20] cyclictest: Always use libnuma Daniel Wagner
2021-01-26 5:10 ` John Kacur
2021-02-19 13:44 ` Kurt Kanzenbach
2021-02-19 14:12 ` Daniel Wagner
2021-02-19 14:39 ` Kurt Kanzenbach
2021-02-19 14:54 ` Daniel Wagner
2021-02-19 15:17 ` Sebastian Andrzej Siewior
2021-02-19 15:21 ` Christian Eggers
2021-02-19 16:16 ` Daniel Wagner
2021-02-19 16:21 ` John Kacur
2021-02-19 16:27 ` Christian Eggers
2021-02-19 16:35 ` Daniel Wagner
2021-02-19 16:39 ` John Kacur
2021-02-19 17:07 ` John Kacur
2021-02-19 16:45 ` John Kacur
2020-12-18 16:18 ` [rt-tests v2 v2 02/20] cyclictest: Use numa API directly Daniel Wagner
2021-01-26 5:31 ` John Kacur
2021-01-26 8:11 ` Daniel Wagner
2020-12-18 16:18 ` [rt-tests v2 v2 03/20] cyclictest: Use affinity_mask for stearing thread placement Daniel Wagner
2020-12-18 16:18 ` [rt-tests v2 v2 04/20] cyclictest: Mimik --smp behavior with --affinity Daniel Wagner
2020-12-18 16:18 ` [rt-tests v2 v2 05/20] cyclictest: Simplify --smp vs --affinity vs --threads argument logic Daniel Wagner
2020-12-18 16:18 ` [rt-tests v2 v2 06/20] cyclictest: Move verbose message into main Daniel Wagner
2021-01-26 6:28 ` John Kacur
2020-12-18 16:18 ` [rt-tests v2 v2 07/20] signaltest: Always use libnuma Daniel Wagner
2021-01-26 6:29 ` John Kacur [this message]
2020-12-18 16:18 ` [rt-tests v2 v2 08/20] signaltest: Use affinity_mask for stearing thread placement Daniel Wagner
2021-01-26 6:31 ` John Kacur
2021-01-26 8:15 ` Daniel Wagner
2020-12-18 16:18 ` [rt-tests v2 v2 09/20] signaltest: Simplify --smp vs --affinity vs --threads argument logic Daniel Wagner
2020-12-18 16:18 ` [rt-tests v2 v2 10/20] rt-numa: Remove unused definitions and numa_initialize() Daniel Wagner
2020-12-18 16:18 ` [rt-tests v2 v2 11/20] rt-numa: Add generic cpu_for_thread() helper Daniel Wagner
2020-12-18 16:18 ` [rt-tests v2 v2 12/20] rt-numa: Use mask size for iterator limit Daniel Wagner
2020-12-18 16:18 ` [rt-tests v2 v2 13/20] rt-numa: Remove max_cpus argument from parse_cpusmask Daniel Wagner
2020-12-18 16:18 ` [rt-tests v2 v2 14/20] rt-numa: Use error message helpers Daniel Wagner
2021-01-26 6:40 ` John Kacur
2020-12-18 16:18 ` [rt-tests v2 v2 15/20] signaltest: Remove unused max_cpus argument from process_options Daniel Wagner
2020-12-18 16:18 ` [rt-tests v2 v2 16/20] cyclictest: " Daniel Wagner
2020-12-18 16:18 ` [rt-tests v2 v2 17/20] rt-numa: Use CPU_SETSIZE as upper loop limit Daniel Wagner
2020-12-18 16:18 ` [rt-tests v2 v2 18/20] rt-numa: Remove used max_cpus argument from cpu_for_thread() Daniel Wagner
2020-12-18 16:18 ` [rt-tests v2 v2 19/20] cyclictest: Remove max cpus used verbose information Daniel Wagner
2020-12-18 16:18 ` [rt-tests v2 v2 20/20] cyclictest: Remove unecessary local variable Daniel Wagner
2021-01-22 12:51 ` [rt-tests v2 v2 00/20] rt-numa.h cleanups Daniel Wagner
2021-01-26 5:04 ` John Kacur
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