diff options
Diffstat (limited to 'tools/bpf/bpftool/map.c')
| -rw-r--r-- | tools/bpf/bpftool/map.c | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/tools/bpf/bpftool/map.c b/tools/bpf/bpftool/map.c index 7da77e4166ec2..5efefde5f5788 100644 --- a/tools/bpf/bpftool/map.c +++ b/tools/bpf/bpftool/map.c @@ -34,7 +34,6 @@ /* Author: Jakub Kicinski <kubakici@wp.pl> */ #include <assert.h> -#include <ctype.h> #include <errno.h> #include <fcntl.h> #include <stdbool.h> @@ -69,61 +68,6 @@ static const char * const map_type_name[] = { [BPF_MAP_TYPE_CPUMAP] = "cpumap", }; -static unsigned int get_possible_cpus(void) -{ - static unsigned int result; - char buf[128]; - long int n; - char *ptr; - int fd; - - if (result) - return result; - - fd = open("/sys/devices/system/cpu/possible", O_RDONLY); - if (fd < 0) { - p_err("can't open sysfs possible cpus"); - exit(-1); - } - - n = read(fd, buf, sizeof(buf)); - if (n < 2) { - p_err("can't read sysfs possible cpus"); - exit(-1); - } - close(fd); - - if (n == sizeof(buf)) { - p_err("read sysfs possible cpus overflow"); - exit(-1); - } - - ptr = buf; - n = 0; - while (*ptr && *ptr != '\n') { - unsigned int a, b; - - if (sscanf(ptr, "%u-%u", &a, &b) == 2) { - n += b - a + 1; - - ptr = strchr(ptr, '-') + 1; - } else if (sscanf(ptr, "%u", &a) == 1) { - n++; - } else { - assert(0); - } - - while (isdigit(*ptr)) - ptr++; - if (*ptr == ',') - ptr++; - } - - result = n; - - return result; -} - static bool map_is_per_cpu(__u32 type) { return type == BPF_MAP_TYPE_PERCPU_HASH || |