perf cs-etm: Use bool type for boolean values

Using u8 for boolean values makes the code a bit more difficult to read
so be more explicit by using bool.

Signed-off-by: James Clark <james.clark@arm.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Denis Nikitin <denik@google.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.g.garry@oracle.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Yang Shi <shy828301@gmail.com>
Cc: coresight@lists.linaro.org
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/20230424134748.228137-7-james.clark@arm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/cs-etm-decoder/cs-etm-decoder.h

@@ -60,10 +60,10 @@ struct cs_etm_decoder_params {
 	int operation;
 	void (*packet_printer)(const char *msg);
 	cs_etm_mem_cb_type mem_acc_cb;
-	u8 formatted;
-	u8 fsyncs;
-	u8 hsyncs;
-	u8 frame_aligned;
+	bool formatted;
+	bool fsyncs;
+	bool hsyncs;
+	bool frame_aligned;
 	void *data;
 };
 

tools/perf/util/cs-etm.c

@@ -50,10 +50,10 @@ struct cs_etm_auxtrace {
 	struct thread *unknown_thread;
 	struct perf_tsc_conversion tc;
 
-	u8 timeless_decoding;
-	u8 snapshot_mode;
-	u8 data_queued;
-	u8 has_virtual_ts; /* Virtual/Kernel timestamps in the trace. */
+	bool timeless_decoding;
+	bool snapshot_mode;
+	bool data_queued;
+	bool has_virtual_ts; /* Virtual/Kernel timestamps in the trace. */
 
 	int num_cpu;
 	u64 latest_kernel_timestamp;

tools/perf/util/cs-etm.h

@@ -179,8 +179,8 @@ struct cs_etm_packet {
 	u32 last_instr_subtype;
 	u32 flags;
 	u32 exception_number;
-	u8 last_instr_cond;
-	u8 last_instr_taken_branch;
+	bool last_instr_cond;
+	bool last_instr_taken_branch;
 	u8 last_instr_size;
 	u8 trace_chan_id;
 	int cpu;