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Merge pull request #163 from Irqbalance/cpuonline

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Adjust how we determine if a cpu is online
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Neil Horman 2020-08-28 08:59:27 -04:00 committed by GitHub
parent 8df73e4c2a b3f95beb62
commit b314265da1
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 11 additions and 4 deletions
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15
cputree.c
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@ -263,6 +263,7 @@ static void do_one_cpu(char *path)
{ {
struct topo_obj *cpu; struct topo_obj *cpu;
char new_path[PATH_MAX]; char new_path[PATH_MAX];
char *online_path ="/sys/devices/system/cpu/online";
cpumask_t cache_mask, package_mask; cpumask_t cache_mask, package_mask;
struct topo_obj *cache; struct topo_obj *cache;
DIR *dir; DIR *dir;
@ -270,12 +271,18 @@ static void do_one_cpu(char *path)
int nodeid; int nodeid;
int packageid = 0; int packageid = 0;
unsigned int max_cache_index, cache_index, cache_stat; unsigned int max_cache_index, cache_index, cache_stat;
int online_status = 1; cpumask_t online_cpus;
char *cpunrptr = NULL;
int cpunr = -1;
/* skip offline cpus */ /* skip offline cpus */
snprintf(new_path, ADJ_SIZE(path,"/online"), "%s/online", path); cpus_clear(online_cpus);
process_one_line(new_path, get_int, &online_status); process_one_line(online_path, get_mask_from_cpulist, &online_cpus);
if (!online_status) /* Get the current cpu number from the path */
cpunrptr = rindex(path, '/');
cpunrptr += 4;
cpunr = atoi(cpunrptr);
if (!cpu_isset(cpunr, online_cpus))
return; return;
cpu = calloc(1, sizeof(struct topo_obj)); cpu = calloc(1, sizeof(struct topo_obj));