MINOR: global: add option to disable numa detection
Render numa detection optional with a global configuration statement
'no numa-cpu-mapping'. This can be used if the applied affinity of the
algorithm is not optimal. Also complete the documentation with this new
keyword.
diff --git a/src/cfgparse.c b/src/cfgparse.c
index 25820bc..507d072 100644
--- a/src/cfgparse.c
+++ b/src/cfgparse.c
@@ -1846,10 +1846,12 @@
if (kwm != KWM_STD && strcmp(args[0], "option") != 0 &&
strcmp(args[0], "log") != 0 && strcmp(args[0], "busy-polling") != 0 &&
strcmp(args[0], "set-dumpable") != 0 && strcmp(args[0], "strict-limits") != 0 &&
- strcmp(args[0], "insecure-fork-wanted") != 0) {
+ strcmp(args[0], "insecure-fork-wanted") != 0 &&
+ strcmp(args[0], "numa-cpu-mapping") != 0) {
ha_alert("parsing [%s:%d]: negation/default currently "
"supported only for options, log, busy-polling, "
- "set-dumpable, strict-limits, and insecure-fork-wanted.\n", file, linenum);
+ "set-dumpable, strict-limits, insecure-fork-wanted "
+ "and numa-cpu-mapping.\n", file, linenum);
err_code |= ERR_ALERT | ERR_FATAL;
fatal++;
}
@@ -2189,7 +2191,7 @@
if (global.nbproc == 1) {
int numa_cores = 0;
#if defined(__linux__) && defined USE_CPU_AFFINITY
- if (!thread_cpu_mask_forced())
+ if (global.numa_cpu_mapping && !thread_cpu_mask_forced())
numa_cores = numa_detect_topology();
#endif
global.nbthread = numa_cores ? numa_cores :