[tip:perf/core] perf jitdump: Build only on supported archs

From: tip-bot for Jiri Olsa
Date: Fri Mar 11 2016 - 03:48:48 EST

Commit-ID: e12b202f8fb9b62a3997cad8e93401f85293390c
Gitweb: http://git.kernel.org/tip/e12b202f8fb9b62a3997cad8e93401f85293390c
Author: Jiri Olsa <jolsa@xxxxxxxxxx>
AuthorDate: Thu, 10 Mar 2016 17:41:13 +0100
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Thu, 10 Mar 2016 16:33:19 -0300

perf jitdump: Build only on supported archs

Build jitdump only on architectures defined in util/genelf.h file, to avoid
breaking the build on such arches.

Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Cc: Andi Kleen <andi@xxxxxxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxx>
Cc: Colin Ian King <colin.king@xxxxxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Davidlohr Bueso <dbueso@xxxxxxxx>
Cc: He Kuang <hekuang@xxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
Cc: Wang Nan <wangnan0@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/20160310164113.GA11357@xxxxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/arch/arm/Makefile | 1 +
tools/perf/arch/arm64/Makefile | 1 +
tools/perf/arch/powerpc/Makefile | 1 +
tools/perf/arch/x86/Makefile | 1 +
tools/perf/builtin-inject.c | 12 +++++++-----
tools/perf/config/Makefile | 7 +++++++
tools/perf/util/Build | 2 +-
7 files changed, 19 insertions(+), 6 deletions(-)

diff --git a/tools/perf/arch/arm/Makefile b/tools/perf/arch/arm/Makefile
index 7fbca17..18b1351 100644
--- a/tools/perf/arch/arm/Makefile
+++ b/tools/perf/arch/arm/Makefile
@@ -1,3 +1,4 @@
ifndef NO_DWARF
PERF_HAVE_DWARF_REGS := 1
endif
+PERF_HAVE_JITDUMP := 1
diff --git a/tools/perf/arch/arm64/Makefile b/tools/perf/arch/arm64/Makefile
index 7fbca17..18b1351 100644
--- a/tools/perf/arch/arm64/Makefile
+++ b/tools/perf/arch/arm64/Makefile
@@ -1,3 +1,4 @@
ifndef NO_DWARF
PERF_HAVE_DWARF_REGS := 1
endif
+PERF_HAVE_JITDUMP := 1
diff --git a/tools/perf/arch/powerpc/Makefile b/tools/perf/arch/powerpc/Makefile
index 9f9cea3..56e05f1 100644
--- a/tools/perf/arch/powerpc/Makefile
+++ b/tools/perf/arch/powerpc/Makefile
@@ -3,3 +3,4 @@ PERF_HAVE_DWARF_REGS := 1
endif

HAVE_KVM_STAT_SUPPORT := 1
+PERF_HAVE_JITDUMP := 1
diff --git a/tools/perf/arch/x86/Makefile b/tools/perf/arch/x86/Makefile
index 09ba923..269af21 100644
--- a/tools/perf/arch/x86/Makefile
+++ b/tools/perf/arch/x86/Makefile
@@ -3,3 +3,4 @@ PERF_HAVE_DWARF_REGS := 1
endif
HAVE_KVM_STAT_SUPPORT := 1
PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET := 1
+PERF_HAVE_JITDUMP := 1
diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c
index e219ed4..7fa6866 100644
--- a/tools/perf/builtin-inject.c
+++ b/tools/perf/builtin-inject.c
@@ -73,7 +73,7 @@ static int perf_event__repipe_oe_synth(struct perf_tool *tool,
return perf_event__repipe_synth(tool, event);
}

-#if defined(HAVE_LIBELF_SUPPORT) && defined(HAVE_DWARF_SUPPORT)
+#ifdef HAVE_JITDUMP
static int perf_event__drop_oe(struct perf_tool *tool __maybe_unused,
union perf_event *event __maybe_unused,
struct ordered_events *oe __maybe_unused)
@@ -245,7 +245,7 @@ static int perf_event__repipe_mmap(struct perf_tool *tool,
return err;
}

-#if defined(HAVE_LIBELF_SUPPORT) && defined(HAVE_DWARF_SUPPORT)
+#ifdef HAVE_JITDUMP
static int perf_event__jit_repipe_mmap(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
@@ -283,7 +283,7 @@ static int perf_event__repipe_mmap2(struct perf_tool *tool,
return err;
}

-#if defined(HAVE_LIBELF_SUPPORT) && defined(HAVE_DWARF_SUPPORT)
+#ifdef HAVE_JITDUMP
static int perf_event__jit_repipe_mmap2(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
@@ -778,7 +778,9 @@ int cmd_inject(int argc, const char **argv, const char *prefix __maybe_unused)
OPT_BOOLEAN('s', "sched-stat", &inject.sched_stat,
"Merge sched-stat and sched-switch for getting events "
"where and how long tasks slept"),
+#ifdef HAVE_JITDUMP
OPT_BOOLEAN('j', "jit", &inject.jit_mode, "merge jitdump files into perf.data file"),
+#endif
OPT_INCR('v', "verbose", &verbose,
"be more verbose (show build ids, etc)"),
OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, "file",
@@ -795,7 +797,7 @@ int cmd_inject(int argc, const char **argv, const char *prefix __maybe_unused)
"perf inject [<options>]",
NULL
};
-#if !defined(HAVE_LIBELF_SUPPORT) || !defined(HAVE_DWARF_SUPPORT)
+#ifndef HAVE_JITDUMP
set_option_nobuild(options, 'j', "jit", "NO_LIBELF=1", true);
#endif
argc = parse_options(argc, argv, options, inject_usage, 0);
@@ -833,7 +835,7 @@ int cmd_inject(int argc, const char **argv, const char *prefix __maybe_unused)
inject.tool.ordered_events = true;
inject.tool.ordering_requires_timestamps = true;
}
-#if defined(HAVE_LIBELF_SUPPORT) && defined(HAVE_DWARF_SUPPORT)
+#ifdef HAVE_JITDUMP
if (inject.jit_mode) {
inject.tool.mmap2 = perf_event__jit_repipe_mmap2;
inject.tool.mmap = perf_event__jit_repipe_mmap;
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index f7aeaf3..eca6a91 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -328,6 +328,13 @@ ifndef NO_LIBELF
endif # NO_LIBBPF
endif # NO_LIBELF

+ifdef PERF_HAVE_JITDUMP
+ ifndef NO_DWARF
+ $(call detected,CONFIG_JITDUMP)
+ CFLAGS += -DHAVE_JITDUMP
+ endif
+endif
+
ifeq ($(ARCH),powerpc)
ifndef NO_DWARF
CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
diff --git a/tools/perf/util/Build b/tools/perf/util/Build
index f130ce2..eea25e2 100644
--- a/tools/perf/util/Build
+++ b/tools/perf/util/Build
@@ -108,7 +108,7 @@ libperf-$(CONFIG_ZLIB) += zlib.o
libperf-$(CONFIG_LZMA) += lzma.o
libperf-y += demangle-java.o

-ifdef CONFIG_DWARF
+ifdef CONFIG_JITDUMP
libperf-$(CONFIG_LIBELF) += jitdump.o
libperf-$(CONFIG_LIBELF) += genelf.o
libperf-$(CONFIG_LIBELF) += genelf_debug.o