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	Missed previously, add libpfm support for 'perf list' callbacks and
thereby JSON support.
Committer notes:
Add __maybe_unused to the args of the new print_libpfm_events() in the
else HAVE_LIBPFM block.
Fixes: e42b0ee61282a2f9 ("perf list: Add JSON output option")
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Caleb Biggers <caleb.biggers@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Perry Taylor <perry.taylor@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Rob Herring <robh@kernel.org>
Cc: Sandipan Das <sandipan.das@amd.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Weilin Wang <weilin.wang@intel.com>
Cc: Xin Gao <gaoxin@cdjrlc.com>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Link: https://lore.kernel.org/r/20221118024607.409083-4-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
		
	
			
		
			
				
	
	
		
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			38 lines
		
	
	
	
		
			795 B
		
	
	
	
		
			C
		
	
	
	
	
	
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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 * Support for libpfm4 event encoding.
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 *
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 * Copyright 2020 Google LLC.
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 */
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#ifndef __PERF_PFM_H
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#define __PERF_PFM_H
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#include "print-events.h"
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#include <subcmd/parse-options.h>
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#ifdef HAVE_LIBPFM
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int parse_libpfm_events_option(const struct option *opt, const char *str,
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			int unset);
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void print_libpfm_events(const struct print_callbacks *print_cb, void *print_state);
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#else
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#include <linux/compiler.h>
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static inline int parse_libpfm_events_option(
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	const struct option *opt __maybe_unused,
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	const char *str __maybe_unused,
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	int unset __maybe_unused)
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{
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	return 0;
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}
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static inline void print_libpfm_events(const struct print_callbacks *print_cb __maybe_unused,
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				       void *print_state __maybe_unused)
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{
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}
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#endif
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#endif /* __PERF_PFM_H */
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