diff options
| -rw-r--r-- | tools/include/uapi/linux/perf_event.h | 5 | ||||
| -rw-r--r-- | tools/perf/util/mem-events.c | 29 |
2 files changed, 22 insertions, 12 deletions
diff --git a/tools/include/uapi/linux/perf_event.h b/tools/include/uapi/linux/perf_event.h index bd8860eeb291..4cd39aaccbe7 100644 --- a/tools/include/uapi/linux/perf_event.h +++ b/tools/include/uapi/linux/perf_event.h @@ -1332,7 +1332,10 @@ union perf_mem_data_src { /* hop level */ #define PERF_MEM_HOPS_0 0x01 /* remote core, same node */ -/* 2-7 available */ +#define PERF_MEM_HOPS_1 0x02 /* remote node, same socket */ +#define PERF_MEM_HOPS_2 0x03 /* remote socket, same board */ +#define PERF_MEM_HOPS_3 0x04 /* remote board */ +/* 5-7 available */ #define PERF_MEM_HOPS_SHIFT 43 #define PERF_MEM_S(a, s) \ diff --git a/tools/perf/util/mem-events.c b/tools/perf/util/mem-events.c index 3167b4628b6d..ed0ab838bcc5 100644 --- a/tools/perf/util/mem-events.c +++ b/tools/perf/util/mem-events.c @@ -309,6 +309,9 @@ static const char * const mem_hops[] = { * to be set with mem_hops field. */ "core, same node", + "node, same socket", + "socket, same board", + "board", }; int perf_mem__lvl_scnprintf(char *out, size_t sz, struct mem_info *mem_info) @@ -316,7 +319,7 @@ int perf_mem__lvl_scnprintf(char *out, size_t sz, struct mem_info *mem_info) size_t i, l = 0; u64 m = PERF_MEM_LVL_NA; u64 hit, miss; - int printed; + int printed = 0; if (mem_info) m = mem_info->data_src.mem_lvl; @@ -335,18 +338,22 @@ int perf_mem__lvl_scnprintf(char *out, size_t sz, struct mem_info *mem_info) l += 7; } - if (mem_info && mem_info->data_src.mem_hops) + /* + * Incase mem_hops field is set, we can skip printing data source via + * PERF_MEM_LVL namespace. + */ + if (mem_info && mem_info->data_src.mem_hops) { l += scnprintf(out + l, sz - l, "%s ", mem_hops[mem_info->data_src.mem_hops]); - - printed = 0; - for (i = 0; m && i < ARRAY_SIZE(mem_lvl); i++, m >>= 1) { - if (!(m & 0x1)) - continue; - if (printed++) { - strcat(out, " or "); - l += 4; + } else { + for (i = 0; m && i < ARRAY_SIZE(mem_lvl); i++, m >>= 1) { + if (!(m & 0x1)) + continue; + if (printed++) { + strcat(out, " or "); + l += 4; + } + l += scnprintf(out + l, sz - l, mem_lvl[i]); } - l += scnprintf(out + l, sz - l, mem_lvl[i]); } if (mem_info && mem_info->data_src.mem_lvl_num) { |