perf_counter: First part of 'perf report' conversion to C + elfutils

Integrate perf-report into 'perf', as builtin-report.c.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

Documentation/perf_counter/Makefile

@@ -228,7 +228,6 @@ COMPAT_CFLAGS =
 COMPAT_OBJS =
 LIB_H =
 LIB_OBJS =
-PROGRAMS = perf-report
 SCRIPT_PERL =
 SCRIPT_SH =
 TEST_PROGRAMS =
@@ -315,6 +314,7 @@ LIB_OBJS += util/wrapper.o
 
 BUILTIN_OBJS += builtin-help.o
 BUILTIN_OBJS += builtin-record.o
+BUILTIN_OBJS += builtin-report.o
 BUILTIN_OBJS += builtin-stat.o
 BUILTIN_OBJS += builtin-top.o
 
@@ -811,10 +811,6 @@ clean:
 	$(RM) $(htmldocs).tar.gz $(manpages).tar.gz
 	$(RM) PERF-VERSION-FILE PERF-CFLAGS PERF-BUILD-OPTIONS
 
-# temporary hack:
-perf-report: perf-report.cc ../../include/linux/perf_counter.h Makefile
-	g++ -g -O2 -Wall -lrt -o $@ $<
-
 .PHONY: all install clean strip
 .PHONY: shell_compatibility_test please_set_SHELL_PATH_to_a_more_modern_shell
 .PHONY: .FORCE-PERF-VERSION-FILE TAGS tags cscope .FORCE-PERF-CFLAGS

Documentation/perf_counter/builtin.h

@@ -16,6 +16,7 @@ extern int check_pager_config(const char *cmd);
 
 extern int cmd_help(int argc, const char **argv, const char *prefix);
 extern int cmd_record(int argc, const char **argv, const char *prefix);
+extern int cmd_report(int argc, const char **argv, const char *prefix);
 extern int cmd_stat(int argc, const char **argv, const char *prefix);
 extern int cmd_top(int argc, const char **argv, const char *prefix);
 extern int cmd_version(int argc, const char **argv, const char *prefix);

Documentation/perf_counter/command-list.txt

 # List of known perf commands.
 # command name				category [deprecated] [common]
 perf-record                             mainporcelain common
+perf-report                             mainporcelain common
 perf-stat                               mainporcelain common
 perf-top                                mainporcelain common
 

Documentation/perf_counter/perf.c

@@ -250,6 +250,7 @@ static void handle_internal_command(int argc, const char **argv)
 	static struct cmd_struct commands[] = {
 		{ "help", cmd_help, 0 },
 		{ "record", cmd_record, 0 },
+		{ "report", cmd_report, 0 },
 		{ "stat", cmd_stat, 0 },
 		{ "top", cmd_top, 0 },
 		{ "version", cmd_version, 0 },