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-rw-r--r--tools/perf/util/machine.c33
1 files changed, 8 insertions, 25 deletions
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 813e94e7cf29..a6799538069c 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -1184,39 +1184,22 @@ static bool symbol__match_regex(struct symbol *sym, regex_t *regex)
1184 return 0; 1184 return 0;
1185} 1185}
1186 1186
1187static const u8 cpumodes[] = {
1188 PERF_RECORD_MISC_USER,
1189 PERF_RECORD_MISC_KERNEL,
1190 PERF_RECORD_MISC_GUEST_USER,
1191 PERF_RECORD_MISC_GUEST_KERNEL
1192};
1193#define NCPUMODES (sizeof(cpumodes)/sizeof(u8))
1194
1195static void ip__resolve_ams(struct machine *machine, struct thread *thread, 1187static void ip__resolve_ams(struct machine *machine, struct thread *thread,
1196 struct addr_map_symbol *ams, 1188 struct addr_map_symbol *ams,
1197 u64 ip) 1189 u64 ip)
1198{ 1190{
1199 struct addr_location al; 1191 struct addr_location al;
1200 size_t i;
1201 u8 m;
1202 1192
1203 memset(&al, 0, sizeof(al)); 1193 memset(&al, 0, sizeof(al));
1194 /*
1195 * We cannot use the header.misc hint to determine whether a
1196 * branch stack address is user, kernel, guest, hypervisor.
1197 * Branches may straddle the kernel/user/hypervisor boundaries.
1198 * Thus, we have to try consecutively until we find a match
1199 * or else, the symbol is unknown
1200 */
1201 thread__find_cpumode_addr_location(thread, machine, MAP__FUNCTION, ip, &al);
1204 1202
1205 for (i = 0; i < NCPUMODES; i++) {
1206 m = cpumodes[i];
1207 /*
1208 * We cannot use the header.misc hint to determine whether a
1209 * branch stack address is user, kernel, guest, hypervisor.
1210 * Branches may straddle the kernel/user/hypervisor boundaries.
1211 * Thus, we have to try consecutively until we find a match
1212 * or else, the symbol is unknown
1213 */
1214 thread__find_addr_location(thread, machine, m, MAP__FUNCTION,
1215 ip, &al);
1216 if (al.map)
1217 goto found;
1218 }
1219found:
1220 ams->addr = ip; 1203 ams->addr = ip;
1221 ams->al_addr = al.addr; 1204 ams->al_addr = al.addr;
1222 ams->sym = al.sym; 1205 ams->sym = al.sym;