From 903a6f15b9968a048760d79224cec4ce4b06d781 Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Thu, 22 Sep 2016 17:36:40 +0200 Subject: [PATCH] perf c2c: Add report subcommand Adding c2c report subcommand. It reads the perf.data and displays shared data analysis. This patch adds report basic wirings. It gets fully implemented in following patches. Signed-off-by: Jiri Olsa Cc: Andi Kleen Cc: David Ahern Cc: Don Zickus Cc: Joe Mario Cc: Namhyung Kim Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1474558645-19956-13-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-c2c.c | 66 +++++++++++++++++++++++++++++++++++++++- 1 file changed, 65 insertions(+), 1 deletion(-) diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c index 58924c67f818..3fac3a294bdd 100644 --- a/tools/perf/builtin-c2c.c +++ b/tools/perf/builtin-c2c.c @@ -5,12 +5,74 @@ #include "builtin.h" #include #include "mem-events.h" +#include "session.h" +#include "hist.h" +#include "tool.h" +#include "data.h" + +struct perf_c2c { + struct perf_tool tool; +}; + +static struct perf_c2c c2c; static const char * const c2c_usage[] = { - "perf c2c", + "perf c2c {record|report}", NULL }; +static const char * const __usage_report[] = { + "perf c2c report", + NULL +}; + +static const char * const *report_c2c_usage = __usage_report; + +static int perf_c2c__report(int argc, const char **argv) +{ + struct perf_session *session; + struct perf_data_file file = { + .mode = PERF_DATA_MODE_READ, + }; + const struct option c2c_options[] = { + OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, + "file", "vmlinux pathname"), + OPT_INCR('v', "verbose", &verbose, + "be more verbose (show counter open errors, etc)"), + OPT_STRING('i', "input", &input_name, "file", + "the input file to process"), + OPT_END() + }; + int err = 0; + + argc = parse_options(argc, argv, c2c_options, report_c2c_usage, + PARSE_OPT_STOP_AT_NON_OPTION); + if (!argc) + usage_with_options(report_c2c_usage, c2c_options); + + file.path = input_name; + + session = perf_session__new(&file, 0, &c2c.tool); + if (session == NULL) { + pr_debug("No memory for session\n"); + goto out; + } + + if (symbol__init(&session->header.env) < 0) + goto out_session; + + /* No pipe support at the moment. */ + if (perf_data_file__is_pipe(session->file)) { + pr_debug("No pipe support at the moment.\n"); + goto out_session; + } + +out_session: + perf_session__delete(session); +out: + return err; +} + static int parse_record_events(const struct option *opt __maybe_unused, const char *str, int unset __maybe_unused) { @@ -129,6 +191,8 @@ int cmd_c2c(int argc, const char **argv, const char *prefix __maybe_unused) if (!strncmp(argv[0], "rec", 3)) { return perf_c2c__record(argc, argv); + } else if (!strncmp(argv[0], "rep", 3)) { + return perf_c2c__report(argc, argv); } else { usage_with_options(c2c_usage, c2c_options); } -- 2.39.5