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-rw-r--r--tools/perf/util/evsel.c6
-rw-r--r--tools/perf/util/perf-regs-arch/perf_regs_aarch64.c10
-rw-r--r--tools/perf/util/perf-regs-arch/perf_regs_arm.c10
-rw-r--r--tools/perf/util/perf-regs-arch/perf_regs_csky.c10
-rw-r--r--tools/perf/util/perf-regs-arch/perf_regs_loongarch.c10
-rw-r--r--tools/perf/util/perf-regs-arch/perf_regs_mips.c10
-rw-r--r--tools/perf/util/perf-regs-arch/perf_regs_powerpc.c10
-rw-r--r--tools/perf/util/perf-regs-arch/perf_regs_riscv.c10
-rw-r--r--tools/perf/util/perf-regs-arch/perf_regs_s390.c10
-rw-r--r--tools/perf/util/perf-regs-arch/perf_regs_x86.c10
-rw-r--r--tools/perf/util/perf_regs.c52
-rw-r--r--tools/perf/util/perf_regs.h43
12 files changed, 186 insertions, 5 deletions
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 0c50c443d456..e3be12596cc3 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -845,6 +845,7 @@ static void __evsel__config_callchain(struct evsel *evsel, struct record_opts *o
{
bool function = evsel__is_function_event(evsel);
struct perf_event_attr *attr = &evsel->core.attr;
+ const char *arch = perf_env__arch(evsel__env(evsel));
evsel__set_sample_bit(evsel, CALLCHAIN);
@@ -877,8 +878,9 @@ static void __evsel__config_callchain(struct evsel *evsel, struct record_opts *o
if (!function) {
evsel__set_sample_bit(evsel, REGS_USER);
evsel__set_sample_bit(evsel, STACK_USER);
- if (opts->sample_user_regs && DWARF_MINIMAL_REGS != PERF_REGS_MASK) {
- attr->sample_regs_user |= DWARF_MINIMAL_REGS;
+ if (opts->sample_user_regs &&
+ DWARF_MINIMAL_REGS(arch) != PERF_REGS_MASK) {
+ attr->sample_regs_user |= DWARF_MINIMAL_REGS(arch);
pr_warning("WARNING: The use of --call-graph=dwarf may require all the user registers, "
"specifying a subset with --user-regs may render DWARF unwinding unreliable, "
"so the minimal registers set (IP, SP) is explicitly forced.\n");
diff --git a/tools/perf/util/perf-regs-arch/perf_regs_aarch64.c b/tools/perf/util/perf-regs-arch/perf_regs_aarch64.c
index c02c045af46e..696566c54768 100644
--- a/tools/perf/util/perf-regs-arch/perf_regs_aarch64.c
+++ b/tools/perf/util/perf-regs-arch/perf_regs_aarch64.c
@@ -83,4 +83,14 @@ const char *__perf_reg_name_arm64(int id)
return NULL;
}
+uint64_t __perf_reg_ip_arm64(void)
+{
+ return PERF_REG_ARM64_PC;
+}
+
+uint64_t __perf_reg_sp_arm64(void)
+{
+ return PERF_REG_ARM64_SP;
+}
+
#endif
diff --git a/tools/perf/util/perf-regs-arch/perf_regs_arm.c b/tools/perf/util/perf-regs-arch/perf_regs_arm.c
index e8b0fcd72f34..700fd07cd2aa 100644
--- a/tools/perf/util/perf-regs-arch/perf_regs_arm.c
+++ b/tools/perf/util/perf-regs-arch/perf_regs_arm.c
@@ -47,4 +47,14 @@ const char *__perf_reg_name_arm(int id)
return NULL;
}
+uint64_t __perf_reg_ip_arm(void)
+{
+ return PERF_REG_ARM_PC;
+}
+
+uint64_t __perf_reg_sp_arm(void)
+{
+ return PERF_REG_ARM_SP;
+}
+
#endif
diff --git a/tools/perf/util/perf-regs-arch/perf_regs_csky.c b/tools/perf/util/perf-regs-arch/perf_regs_csky.c
index e343b1cef7ba..a2841094e096 100644
--- a/tools/perf/util/perf-regs-arch/perf_regs_csky.c
+++ b/tools/perf/util/perf-regs-arch/perf_regs_csky.c
@@ -87,4 +87,14 @@ const char *__perf_reg_name_csky(int id)
return NULL;
}
+uint64_t __perf_reg_ip_csky(void)
+{
+ return PERF_REG_CSKY_PC;
+}
+
+uint64_t __perf_reg_sp_csky(void)
+{
+ return PERF_REG_CSKY_SP;
+}
+
#endif
diff --git a/tools/perf/util/perf-regs-arch/perf_regs_loongarch.c b/tools/perf/util/perf-regs-arch/perf_regs_loongarch.c
index 6f937464067b..a9ba0f934123 100644
--- a/tools/perf/util/perf-regs-arch/perf_regs_loongarch.c
+++ b/tools/perf/util/perf-regs-arch/perf_regs_loongarch.c
@@ -78,4 +78,14 @@ const char *__perf_reg_name_loongarch(int id)
return NULL;
}
+uint64_t __perf_reg_ip_loongarch(void)
+{
+ return PERF_REG_LOONGARCH_PC;
+}
+
+uint64_t __perf_reg_sp_loongarch(void)
+{
+ return PERF_REG_LOONGARCH_R3;
+}
+
#endif
diff --git a/tools/perf/util/perf-regs-arch/perf_regs_mips.c b/tools/perf/util/perf-regs-arch/perf_regs_mips.c
index f48fbca2f947..5a45830cfbf5 100644
--- a/tools/perf/util/perf-regs-arch/perf_regs_mips.c
+++ b/tools/perf/util/perf-regs-arch/perf_regs_mips.c
@@ -74,4 +74,14 @@ const char *__perf_reg_name_mips(int id)
return NULL;
}
+uint64_t __perf_reg_ip_mips(void)
+{
+ return PERF_REG_MIPS_PC;
+}
+
+uint64_t __perf_reg_sp_mips(void)
+{
+ return PERF_REG_MIPS_R29;
+}
+
#endif
diff --git a/tools/perf/util/perf-regs-arch/perf_regs_powerpc.c b/tools/perf/util/perf-regs-arch/perf_regs_powerpc.c
index dda1b4b169fc..1f0d682db74a 100644
--- a/tools/perf/util/perf-regs-arch/perf_regs_powerpc.c
+++ b/tools/perf/util/perf-regs-arch/perf_regs_powerpc.c
@@ -132,4 +132,14 @@ const char *__perf_reg_name_powerpc(int id)
return NULL;
}
+uint64_t __perf_reg_ip_powerpc(void)
+{
+ return PERF_REG_POWERPC_NIP;
+}
+
+uint64_t __perf_reg_sp_powerpc(void)
+{
+ return PERF_REG_POWERPC_R1;
+}
+
#endif
diff --git a/tools/perf/util/perf-regs-arch/perf_regs_riscv.c b/tools/perf/util/perf-regs-arch/perf_regs_riscv.c
index c504b047cac2..e432630be4c5 100644
--- a/tools/perf/util/perf-regs-arch/perf_regs_riscv.c
+++ b/tools/perf/util/perf-regs-arch/perf_regs_riscv.c
@@ -79,4 +79,14 @@ const char *__perf_reg_name_riscv(int id)
return NULL;
}
+uint64_t __perf_reg_ip_riscv(void)
+{
+ return PERF_REG_RISCV_PC;
+}
+
+uint64_t __perf_reg_sp_riscv(void)
+{
+ return PERF_REG_RISCV_SP;
+}
+
#endif
diff --git a/tools/perf/util/perf-regs-arch/perf_regs_s390.c b/tools/perf/util/perf-regs-arch/perf_regs_s390.c
index e71e2302394c..1c7a46db778c 100644
--- a/tools/perf/util/perf-regs-arch/perf_regs_s390.c
+++ b/tools/perf/util/perf-regs-arch/perf_regs_s390.c
@@ -83,4 +83,14 @@ const char *__perf_reg_name_s390(int id)
return NULL;
}
+uint64_t __perf_reg_ip_s390(void)
+{
+ return PERF_REG_S390_PC;
+}
+
+uint64_t __perf_reg_sp_s390(void)
+{
+ return PERF_REG_S390_R15;
+}
+
#endif
diff --git a/tools/perf/util/perf-regs-arch/perf_regs_x86.c b/tools/perf/util/perf-regs-arch/perf_regs_x86.c
index eb5d249afa70..873c620f0634 100644
--- a/tools/perf/util/perf-regs-arch/perf_regs_x86.c
+++ b/tools/perf/util/perf-regs-arch/perf_regs_x86.c
@@ -85,4 +85,14 @@ const char *__perf_reg_name_x86(int id)
return NULL;
}
+uint64_t __perf_reg_ip_x86(void)
+{
+ return PERF_REG_X86_IP;
+}
+
+uint64_t __perf_reg_sp_x86(void)
+{
+ return PERF_REG_X86_SP;
+}
+
#endif
diff --git a/tools/perf/util/perf_regs.c b/tools/perf/util/perf_regs.c
index 5af1b95c3d01..23584efd4886 100644
--- a/tools/perf/util/perf_regs.c
+++ b/tools/perf/util/perf_regs.c
@@ -3,6 +3,7 @@
#include <string.h>
#include "perf_regs.h"
#include "util/sample.h"
+#include "debug.h"
int __weak arch_sdt_arg_parse_op(char *old_op __maybe_unused,
char **new_op __maybe_unused)
@@ -74,4 +75,55 @@ out:
*valp = regs->cache_regs[id];
return 0;
}
+
+uint64_t perf_arch_reg_ip(const char *arch)
+{
+ if (!strcmp(arch, "arm"))
+ return __perf_reg_ip_arm();
+ else if (!strcmp(arch, "arm64"))
+ return __perf_reg_ip_arm64();
+ else if (!strcmp(arch, "csky"))
+ return __perf_reg_ip_csky();
+ else if (!strcmp(arch, "loongarch"))
+ return __perf_reg_ip_loongarch();
+ else if (!strcmp(arch, "mips"))
+ return __perf_reg_ip_mips();
+ else if (!strcmp(arch, "powerpc"))
+ return __perf_reg_ip_powerpc();
+ else if (!strcmp(arch, "riscv"))
+ return __perf_reg_ip_riscv();
+ else if (!strcmp(arch, "s390"))
+ return __perf_reg_ip_s390();
+ else if (!strcmp(arch, "x86"))
+ return __perf_reg_ip_x86();
+
+ pr_err("Fail to find IP register for arch %s, returns 0\n", arch);
+ return 0;
+}
+
+uint64_t perf_arch_reg_sp(const char *arch)
+{
+ if (!strcmp(arch, "arm"))
+ return __perf_reg_sp_arm();
+ else if (!strcmp(arch, "arm64"))
+ return __perf_reg_sp_arm64();
+ else if (!strcmp(arch, "csky"))
+ return __perf_reg_sp_csky();
+ else if (!strcmp(arch, "loongarch"))
+ return __perf_reg_sp_loongarch();
+ else if (!strcmp(arch, "mips"))
+ return __perf_reg_sp_mips();
+ else if (!strcmp(arch, "powerpc"))
+ return __perf_reg_sp_powerpc();
+ else if (!strcmp(arch, "riscv"))
+ return __perf_reg_sp_riscv();
+ else if (!strcmp(arch, "s390"))
+ return __perf_reg_sp_s390();
+ else if (!strcmp(arch, "x86"))
+ return __perf_reg_sp_x86();
+
+ pr_err("Fail to find SP register for arch %s, returns 0\n", arch);
+ return 0;
+}
+
#endif
diff --git a/tools/perf/util/perf_regs.h b/tools/perf/util/perf_regs.h
index 6b19a2867171..de1673057e50 100644
--- a/tools/perf/util/perf_regs.h
+++ b/tools/perf/util/perf_regs.h
@@ -32,25 +32,51 @@ extern const struct sample_reg sample_reg_masks[];
#include <perf_regs.h>
-#define DWARF_MINIMAL_REGS ((1ULL << PERF_REG_IP) | (1ULL << PERF_REG_SP))
-
const char *perf_reg_name(int id, const char *arch);
int perf_reg_value(u64 *valp, struct regs_dump *regs, int id);
+uint64_t perf_arch_reg_ip(const char *arch);
+uint64_t perf_arch_reg_sp(const char *arch);
const char *__perf_reg_name_arm64(int id);
+uint64_t __perf_reg_ip_arm64(void);
+uint64_t __perf_reg_sp_arm64(void);
const char *__perf_reg_name_arm(int id);
+uint64_t __perf_reg_ip_arm(void);
+uint64_t __perf_reg_sp_arm(void);
const char *__perf_reg_name_csky(int id);
+uint64_t __perf_reg_ip_csky(void);
+uint64_t __perf_reg_sp_csky(void);
const char *__perf_reg_name_loongarch(int id);
+uint64_t __perf_reg_ip_loongarch(void);
+uint64_t __perf_reg_sp_loongarch(void);
const char *__perf_reg_name_mips(int id);
+uint64_t __perf_reg_ip_mips(void);
+uint64_t __perf_reg_sp_mips(void);
const char *__perf_reg_name_powerpc(int id);
+uint64_t __perf_reg_ip_powerpc(void);
+uint64_t __perf_reg_sp_powerpc(void);
const char *__perf_reg_name_riscv(int id);
+uint64_t __perf_reg_ip_riscv(void);
+uint64_t __perf_reg_sp_riscv(void);
const char *__perf_reg_name_s390(int id);
+uint64_t __perf_reg_ip_s390(void);
+uint64_t __perf_reg_sp_s390(void);
const char *__perf_reg_name_x86(int id);
+uint64_t __perf_reg_ip_x86(void);
+uint64_t __perf_reg_sp_x86(void);
+
+static inline uint64_t DWARF_MINIMAL_REGS(const char *arch)
+{
+ return (1ULL << perf_arch_reg_ip(arch)) | (1ULL << perf_arch_reg_sp(arch));
+}
#else
#define PERF_REGS_MASK 0
#define PERF_REGS_MAX 0
-#define DWARF_MINIMAL_REGS PERF_REGS_MASK
+static inline uint64_t DWARF_MINIMAL_REGS(const char *arch __maybe_unused)
+{
+ return PERF_REGS_MASK;
+}
static inline const char *perf_reg_name(int id __maybe_unused, const char *arch __maybe_unused)
{
@@ -63,5 +89,16 @@ static inline int perf_reg_value(u64 *valp __maybe_unused,
{
return 0;
}
+
+static inline uint64_t perf_arch_reg_ip(const char *arch __maybe_unused)
+{
+ return 0;
+}
+
+static inline uint64_t perf_arch_reg_sp(const char *arch __maybe_unused)
+{
+ return 0;
+}
+
#endif /* HAVE_PERF_REGS_SUPPORT */
#endif /* __PERF_REGS_H */
generated by cgit (git 2.34.1) at 2024-05-18 17:06:50 +0000