52 lines
2.2 KiB
Diff
52 lines
2.2 KiB
Diff
From: Ben Hutchings <ben@decadent.org.uk>
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Date: Thu, 8 Oct 2015 17:38:22 +0100
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Subject: perf: Fix build on architectures without CONFIG_PERF_REGS
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Forwarded: http://mid.gmane.org/1444323185.2956.260.camel@decadent.org.uk
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perf currently fails to link on all architectures other than arm,
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arm64 and x86:
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tools/perf/libperf.a(libperf-in.o): In function `parse_regs':
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tools/perf/util/parse-regs-options.c:28: undefined reference to `sample_reg_masks'
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tools/perf/util/parse-regs-options.c:28: undefined reference to `sample_reg_masks'
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tools/perf/util/parse-regs-options.c:45: undefined reference to `sample_reg_masks'
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tools/perf/util/parse-regs-options.c:38: undefined reference to `sample_reg_masks'
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Fixes: bcc84ec65ad1 ("perf record: Add ability to name registers to record")
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Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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Cc: Stephane Eranian <eranian@google.com>
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---
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tools/perf/builtin-record.c | 2 ++
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tools/perf/util/Build | 2 +-
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2 files changed, 3 insertions(+), 1 deletion(-)
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diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
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index 142eeb3..34dd749c 100644
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--- a/tools/perf/builtin-record.c
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+++ b/tools/perf/builtin-record.c
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@@ -1082,9 +1082,11 @@ struct option __record_options[] = {
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"sample transaction flags (special events only)"),
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OPT_BOOLEAN(0, "per-thread", &record.opts.target.per_thread,
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"use per-thread mmaps"),
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+#ifdef CONFIG_PERF_REGS
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OPT_CALLBACK_OPTARG('I', "intr-regs", &record.opts.sample_intr_regs, NULL, "any register",
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"sample selected machine registers on interrupt,"
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" use -I ? to list register names", parse_regs),
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+#endif
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OPT_BOOLEAN(0, "running-time", &record.opts.running_time,
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"Record running/enabled time of read (:S) events"),
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OPT_CALLBACK('k', "clockid", &record.opts,
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diff --git a/tools/perf/util/Build b/tools/perf/util/Build
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index 349bc96..333b08d 100644
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--- a/tools/perf/util/Build
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+++ b/tools/perf/util/Build
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@@ -83,7 +83,7 @@ libperf-$(CONFIG_AUXTRACE) += intel-pt-decoder/
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libperf-$(CONFIG_AUXTRACE) += intel-pt.o
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libperf-$(CONFIG_AUXTRACE) += intel-bts.o
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libperf-y += parse-branch-options.o
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-libperf-y += parse-regs-options.o
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+libperf-$(CONFIG_PERF_REGS) += parse-regs-options.o
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libperf-$(CONFIG_LIBELF) += symbol-elf.o
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libperf-$(CONFIG_LIBELF) += probe-file.o
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