提交 a6418605 编写于 作者: A Arun Kalyanasundaram 提交者: Arnaldo Carvalho de Melo

perf script python: Generate hooks with additional argument

Modify the signature of tracepoint specific and trace_unhandled hooks to
add the perf_sample dict as a new argument.
Create a python helper function to print a dictionary.
Signed-off-by: NArun Kalyanasundaram <arunkaly@google.com>
Acked-by: NJiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: David Carrillo-Cisneros <davidcc@google.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Seongjae Park <sj38.park@gmail.com>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/20170721220422.63962-6-arunkaly@google.comSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>
上级 f38d2816
......@@ -1367,6 +1367,12 @@ static int python_generate_script(struct pevent *pevent, const char *outfile)
fprintf(ofp, "%s", f->name);
}
if (not_first++)
fprintf(ofp, ", ");
if (++count % 5 == 0)
fprintf(ofp, "\n\t\t");
fprintf(ofp, "perf_sample_dict");
fprintf(ofp, "):\n");
fprintf(ofp, "\t\tprint_header(event_name, common_cpu, "
......@@ -1436,6 +1442,9 @@ static int python_generate_script(struct pevent *pevent, const char *outfile)
fprintf(ofp, ")\n\n");
fprintf(ofp, "\t\tprint 'Sample: {'+"
"get_dict_as_string(perf_sample_dict['sample'], ', ')+'}'\n\n");
fprintf(ofp, "\t\tfor node in common_callchain:");
fprintf(ofp, "\n\t\t\tif 'sym' in node:");
fprintf(ofp, "\n\t\t\t\tprint \"\\t[%%x] %%s\" %% (node['ip'], node['sym']['name'])");
......@@ -1446,15 +1455,20 @@ static int python_generate_script(struct pevent *pevent, const char *outfile)
}
fprintf(ofp, "def trace_unhandled(event_name, context, "
"event_fields_dict):\n");
"event_fields_dict, perf_sample_dict):\n");
fprintf(ofp, "\t\tprint ' '.join(['%%s=%%s'%%(k,str(v))"
"for k,v in sorted(event_fields_dict.items())])\n\n");
fprintf(ofp, "\t\tprint get_dict_as_string(event_fields_dict)\n");
fprintf(ofp, "\t\tprint 'Sample: {'+"
"get_dict_as_string(perf_sample_dict['sample'], ', ')+'}'\n\n");
fprintf(ofp, "def print_header("
"event_name, cpu, secs, nsecs, pid, comm):\n"
"\tprint \"%%-20s %%5u %%05u.%%09u %%8u %%-20s \" %% \\\n\t"
"(event_name, cpu, secs, nsecs, pid, comm),\n");
"(event_name, cpu, secs, nsecs, pid, comm),\n\n");
fprintf(ofp, "def get_dict_as_string(a_dict, delimiter=' '):\n"
"\treturn delimiter.join"
"(['%%s=%%s'%%(k,str(v))for k,v in sorted(a_dict.items())])\n");
fclose(ofp);
......
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