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Message-Id: <20230520025537.1811986-5-leo.yan@linaro.org>
Date: Sat, 20 May 2023 10:55:36 +0800
From: Leo Yan <leo.yan@...aro.org>
To: Arnaldo Carvalho de Melo <acme@...nel.org>,
John Garry <john.g.garry@...cle.com>,
Will Deacon <will@...nel.org>,
James Clark <james.clark@....com>,
Mike Leach <mike.leach@...aro.org>,
Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>,
Mark Rutland <mark.rutland@....com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Jiri Olsa <jolsa@...nel.org>,
Namhyung Kim <namhyung@...nel.org>,
Ian Rogers <irogers@...gle.com>,
Adrian Hunter <adrian.hunter@...el.com>,
Guo Ren <guoren@...nel.org>,
Paul Walmsley <paul.walmsley@...ive.com>,
Palmer Dabbelt <palmer@...belt.com>,
Albert Ou <aou@...s.berkeley.edu>,
Eric Lin <eric.lin@...ive.com>,
Kan Liang <kan.liang@...ux.intel.com>,
Qi Liu <liuqi115@...wei.com>,
Sandipan Das <sandipan.das@....com>,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-perf-users@...r.kernel.org, linux-csky@...r.kernel.org,
linux-riscv@...ts.infradead.org
Cc: Leo Yan <leo.yan@...aro.org>
Subject: [PATCH v1 4/5] perf parse-regs: Remove PERF_REGS_{MAX|MASK} from common code
The macros PERF_REGS_MAX and PERF_REGS_MASK are architecture specific,
let's remove them from the common file util/perf_regs.c.
As a side effect, the weak functions arch__intr_reg_mask() and
arch__user_reg_mask() just return zeros, every arch defines its own
functions in the 'arch' folder for returning right values.
Signed-off-by: Leo Yan <leo.yan@...aro.org>
---
tools/perf/arch/arm/util/perf_regs.c | 10 ++++++++++
tools/perf/arch/arm64/util/perf_regs.c | 5 +++++
tools/perf/arch/csky/util/perf_regs.c | 10 ++++++++++
tools/perf/arch/mips/util/perf_regs.c | 10 ++++++++++
tools/perf/arch/powerpc/util/perf_regs.c | 5 +++++
tools/perf/arch/riscv/util/perf_regs.c | 10 ++++++++++
tools/perf/arch/s390/util/perf_regs.c | 10 ++++++++++
tools/perf/arch/x86/util/perf_regs.c | 5 +++++
tools/perf/util/evsel.c | 2 +-
tools/perf/util/perf_regs.c | 4 ++--
tools/perf/util/perf_regs.h | 4 +---
11 files changed, 69 insertions(+), 6 deletions(-)
diff --git a/tools/perf/arch/arm/util/perf_regs.c b/tools/perf/arch/arm/util/perf_regs.c
index 37aa3a2091bd..0d669dba08c4 100644
--- a/tools/perf/arch/arm/util/perf_regs.c
+++ b/tools/perf/arch/arm/util/perf_regs.c
@@ -5,6 +5,16 @@ const struct sample_reg sample_reg_masks[] = {
SMPL_REG_END
};
+uint64_t arch__intr_reg_mask(void)
+{
+ return PERF_REGS_MASK;
+}
+
+uint64_t arch__user_reg_mask(void)
+{
+ return PERF_REGS_MASK;
+}
+
uint64_t arch__reg_ip(void)
{
return PERF_REG_ARM_PC;
diff --git a/tools/perf/arch/arm64/util/perf_regs.c b/tools/perf/arch/arm64/util/perf_regs.c
index dbe7f00b222b..4490c1b5ea51 100644
--- a/tools/perf/arch/arm64/util/perf_regs.c
+++ b/tools/perf/arch/arm64/util/perf_regs.c
@@ -139,6 +139,11 @@ int arch_sdt_arg_parse_op(char *old_op, char **new_op)
return SDT_ARG_VALID;
}
+uint64_t arch__intr_reg_mask(void)
+{
+ return PERF_REGS_MASK;
+}
+
uint64_t arch__user_reg_mask(void)
{
struct perf_event_attr attr = {
diff --git a/tools/perf/arch/csky/util/perf_regs.c b/tools/perf/arch/csky/util/perf_regs.c
index d230d7e640fd..35755811316e 100644
--- a/tools/perf/arch/csky/util/perf_regs.c
+++ b/tools/perf/arch/csky/util/perf_regs.c
@@ -5,6 +5,16 @@ const struct sample_reg sample_reg_masks[] = {
SMPL_REG_END
};
+uint64_t arch__intr_reg_mask(void)
+{
+ return PERF_REGS_MASK;
+}
+
+uint64_t arch__user_reg_mask(void)
+{
+ return PERF_REGS_MASK;
+}
+
uint64_t arch__reg_ip(void)
{
return PERF_REG_CSKY_PC;
diff --git a/tools/perf/arch/mips/util/perf_regs.c b/tools/perf/arch/mips/util/perf_regs.c
index 64882ebc9287..2d2bfbb96182 100644
--- a/tools/perf/arch/mips/util/perf_regs.c
+++ b/tools/perf/arch/mips/util/perf_regs.c
@@ -5,6 +5,16 @@ const struct sample_reg sample_reg_masks[] = {
SMPL_REG_END
};
+uint64_t arch__intr_reg_mask(void)
+{
+ return PERF_REGS_MASK;
+}
+
+uint64_t arch__user_reg_mask(void)
+{
+ return PERF_REGS_MASK;
+}
+
uint64_t arch__reg_ip(void)
{
return PERF_REG_MIPS_PC;
diff --git a/tools/perf/arch/powerpc/util/perf_regs.c b/tools/perf/arch/powerpc/util/perf_regs.c
index c84cd79986a8..e48622d1bc59 100644
--- a/tools/perf/arch/powerpc/util/perf_regs.c
+++ b/tools/perf/arch/powerpc/util/perf_regs.c
@@ -227,6 +227,11 @@ uint64_t arch__intr_reg_mask(void)
return mask;
}
+uint64_t arch__user_reg_mask(void)
+{
+ return PERF_REGS_MASK;
+}
+
uint64_t arch__reg_ip(void)
{
return PERF_REG_POWERPC_NIP;
diff --git a/tools/perf/arch/riscv/util/perf_regs.c b/tools/perf/arch/riscv/util/perf_regs.c
index 13bbddd139d0..a2aaa46ef741 100644
--- a/tools/perf/arch/riscv/util/perf_regs.c
+++ b/tools/perf/arch/riscv/util/perf_regs.c
@@ -5,6 +5,16 @@ const struct sample_reg sample_reg_masks[] = {
SMPL_REG_END
};
+uint64_t arch__intr_reg_mask(void)
+{
+ return PERF_REGS_MASK;
+}
+
+uint64_t arch__user_reg_mask(void)
+{
+ return PERF_REGS_MASK;
+}
+
uint64_t arch__reg_ip(void)
{
return PERF_REG_RISCV_PC;
diff --git a/tools/perf/arch/s390/util/perf_regs.c b/tools/perf/arch/s390/util/perf_regs.c
index 9b2297471090..8d79f8c50f4c 100644
--- a/tools/perf/arch/s390/util/perf_regs.c
+++ b/tools/perf/arch/s390/util/perf_regs.c
@@ -5,6 +5,16 @@ const struct sample_reg sample_reg_masks[] = {
SMPL_REG_END
};
+uint64_t arch__intr_reg_mask(void)
+{
+ return PERF_REGS_MASK;
+}
+
+uint64_t arch__user_reg_mask(void)
+{
+ return PERF_REGS_MASK;
+}
+
uint64_t arch__reg_ip(void)
{
return PERF_REG_S390_PC;
diff --git a/tools/perf/arch/x86/util/perf_regs.c b/tools/perf/arch/x86/util/perf_regs.c
index c752a6e9cba6..a7e21f2a8964 100644
--- a/tools/perf/arch/x86/util/perf_regs.c
+++ b/tools/perf/arch/x86/util/perf_regs.c
@@ -313,6 +313,11 @@ uint64_t arch__intr_reg_mask(void)
return PERF_REGS_MASK;
}
+uint64_t arch__user_reg_mask(void)
+{
+ return PERF_REGS_MASK;
+}
+
uint64_t arch__reg_ip(void)
{
return PERF_REG_X86_IP;
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 356c07f03be6..bef415072a27 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -933,7 +933,7 @@ 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) {
+ if (opts->sample_user_regs && DWARF_MINIMAL_REGS != arch__user_reg_mask()) {
attr->sample_regs_user |= DWARF_MINIMAL_REGS;
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, "
diff --git a/tools/perf/util/perf_regs.c b/tools/perf/util/perf_regs.c
index 334c9a2b785d..6698b9d2b32a 100644
--- a/tools/perf/util/perf_regs.c
+++ b/tools/perf/util/perf_regs.c
@@ -12,12 +12,12 @@ int __weak arch_sdt_arg_parse_op(char *old_op __maybe_unused,
uint64_t __weak arch__intr_reg_mask(void)
{
- return PERF_REGS_MASK;
+ return 0;
}
uint64_t __weak arch__user_reg_mask(void)
{
- return PERF_REGS_MASK;
+ return 0;
}
uint64_t __weak arch__reg_ip(void)
diff --git a/tools/perf/util/perf_regs.h b/tools/perf/util/perf_regs.h
index 0a1460aaad37..43b5a6d40e58 100644
--- a/tools/perf/util/perf_regs.h
+++ b/tools/perf/util/perf_regs.h
@@ -48,10 +48,8 @@ const char *__perf_reg_name_s390(int id);
const char *__perf_reg_name_x86(int id);
#else
-#define PERF_REGS_MASK 0
-#define PERF_REGS_MAX 0
-#define DWARF_MINIMAL_REGS PERF_REGS_MASK
+#define DWARF_MINIMAL_REGS 0
static inline const char *perf_reg_name(int id __maybe_unused, const char *arch __maybe_unused)
{
--
2.39.2
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