RepoMirrors/haproxy
1
0
Fork 0
mirror of http://git.haproxy.org/git/haproxy.git/ synced 2025-02-19 20:27:01 +00:00
Code Issues Packages Projects Releases Wiki Activity

MINOR: cpuset: allocate and initialize the ha_cpu_topo array.

Browse Source 
This does the bare minimum to allocate and initialize a global
ha_cpu_topo array for the number of supported CPUs and release
it at deinit time.
This commit is contained in:
Willy Tarreau 2023-07-11 15:48:27 +02:00
parent b6556995bf
commit e9fd787b96
2 changed files with 23 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
include/haproxy/cpuset.h
View File

@ -4,6 +4,7 @@
#include <haproxy/cpuset-t.h>
extern struct cpu_map *cpu_map;
extern struct ha_cpu_topo *ha_cpu_topo;
/* Unset all indexes in <set>.
*/

23
src/cpuset.c
View File

@ -2,13 +2,16 @@
#include <sched.h>
#include <ctype.h>
#include <haproxy/compat.h>
#include <haproxy/api.h>
#include <haproxy/cpuset.h>
#include <haproxy/intops.h>
#include <haproxy/tools.h>
struct cpu_map *cpu_map;
/* CPU topology information, ha_cpuset_size() entries, allocated at boot */
struct ha_cpu_topo *ha_cpu_topo = NULL;
void ha_cpuset_zero(struct hap_cpuset *set)
{
#if defined(CPUSET_USE_CPUSET) || defined(CPUSET_USE_FREEBSD_CPUSET)
@ -279,16 +282,34 @@ int cpu_map_configured(void)
*/
static int cpuset_alloc(void)
{
int maxcpus = ha_cpuset_size();
int cpu;
/* allocate the structures used to store CPU topology info */
cpu_map = (struct cpu_map*)calloc(MAX_TGROUPS, sizeof(*cpu_map));
if (!cpu_map)
return 0;
/* allocate the structures used to store CPU topology info */
ha_cpu_topo = (struct ha_cpu_topo*)malloc(maxcpus * sizeof(*ha_cpu_topo));
if (!ha_cpu_topo)
return 0;
/* preset all fields to -1 except the index and the state flags which
* are assumed to all be bound and online unless detected otherwise.
*/
for (cpu = 0; cpu < maxcpus; cpu++) {
memset(&ha_cpu_topo[cpu], 0xff, sizeof(*ha_cpu_topo));
ha_cpu_topo[cpu].st = 0;
ha_cpu_topo[cpu].idx = cpu;
}
return 1;
}
static void cpuset_deinit(void)
{
ha_free(&ha_cpu_topo);
ha_free(&cpu_map);
}