linux-kernel - [PATCH v2 6/7] perf tools: Improve macros for struct feature

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Message-ID: <1323248577-11268-7-git-send-email-robert.richter@amd.com>
Date:	Wed, 7 Dec 2011 10:02:56 +0100
From:	Robert Richter <robert.richter@....com>
To:	Arnaldo Carvalho de Melo <acme@...hat.com>
CC:	Ingo Molnar <mingo@...e.hu>, Peter Zijlstra <peterz@...radead.org>,
	Stephane Eranian <eranian@...gle.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Robert Richter <robert.richter@....com>
Subject: [PATCH v2 6/7] perf tools: Improve macros for struct feature_ops

Reducing duplication and line size by extending function names for
print and write from a single name.

Signed-off-by: Robert Richter <robert.richter@....com>
---
 tools/perf/util/header.c |   40 ++++++++++++++++++++++------------------
 1 files changed, 22 insertions(+), 18 deletions(-)

diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 129c92d..f1d0a95 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -1311,26 +1311,30 @@ struct feature_ops {
 	bool full_only;
 };
 
-#define FEAT_OPA(n, w, p) \
-	[n] = { .name = #n, .write = w, .print = p }
-#define FEAT_OPF(n, w, p) \
-	[n] = { .name = #n, .write = w, .print = p, .full_only = true }
+#define FEAT_OPA(n, func) \
+	[n] = { .name = #n, .write = write_##func, .print = print_##func }
+#define FEAT_OPF(n, func) \
+	[n] = { .name = #n, .write = write_##func, .print = print_##func, .full_only = true }
+
+/* feature_ops not implemented: */
+#define print_trace_info		NULL
+#define print_build_id			NULL
 
 static const struct feature_ops feat_ops[HEADER_LAST_FEATURE] = {
-	FEAT_OPA(HEADER_TRACE_INFO, write_trace_info, NULL),
-	FEAT_OPA(HEADER_BUILD_ID, write_build_id, NULL),
-	FEAT_OPA(HEADER_HOSTNAME, write_hostname, print_hostname),
-	FEAT_OPA(HEADER_OSRELEASE, write_osrelease, print_osrelease),
-	FEAT_OPA(HEADER_VERSION, write_version, print_version),
-	FEAT_OPA(HEADER_ARCH, write_arch, print_arch),
-	FEAT_OPA(HEADER_NRCPUS, write_nrcpus, print_nrcpus),
-	FEAT_OPA(HEADER_CPUDESC, write_cpudesc, print_cpudesc),
-	FEAT_OPA(HEADER_CPUID, write_cpuid, print_cpuid),
-	FEAT_OPA(HEADER_TOTAL_MEM, write_total_mem, print_total_mem),
-	FEAT_OPA(HEADER_EVENT_DESC, write_event_desc, print_event_desc),
-	FEAT_OPA(HEADER_CMDLINE, write_cmdline, print_cmdline),
-	FEAT_OPF(HEADER_CPU_TOPOLOGY, write_cpu_topology, print_cpu_topology),
-	FEAT_OPF(HEADER_NUMA_TOPOLOGY, write_numa_topology, print_numa_topology),
+	FEAT_OPA(HEADER_TRACE_INFO,	trace_info),
+	FEAT_OPA(HEADER_BUILD_ID,	build_id),
+	FEAT_OPA(HEADER_HOSTNAME,	hostname),
+	FEAT_OPA(HEADER_OSRELEASE,	osrelease),
+	FEAT_OPA(HEADER_VERSION,	version),
+	FEAT_OPA(HEADER_ARCH,		arch),
+	FEAT_OPA(HEADER_NRCPUS,		nrcpus),
+	FEAT_OPA(HEADER_CPUDESC,	cpudesc),
+	FEAT_OPA(HEADER_CPUID,		cpuid),
+	FEAT_OPA(HEADER_TOTAL_MEM,	total_mem),
+	FEAT_OPA(HEADER_EVENT_DESC,	event_desc),
+	FEAT_OPA(HEADER_CMDLINE,	cmdline),
+	FEAT_OPF(HEADER_CPU_TOPOLOGY,	cpu_topology),
+	FEAT_OPF(HEADER_NUMA_TOPOLOGY,	numa_topology),
 };
 
 struct header_print_data {
-- 
1.7.7


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