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-rw-r--r--ANDROID_3.4.5/tools/perf/util/scripting-engines/trace-event-perl.c634
1 files changed, 0 insertions, 634 deletions
diff --git a/ANDROID_3.4.5/tools/perf/util/scripting-engines/trace-event-perl.c b/ANDROID_3.4.5/tools/perf/util/scripting-engines/trace-event-perl.c
deleted file mode 100644
index e30749e3..00000000
--- a/ANDROID_3.4.5/tools/perf/util/scripting-engines/trace-event-perl.c
+++ /dev/null
@@ -1,634 +0,0 @@
-/*
- * trace-event-perl. Feed perf script events to an embedded Perl interpreter.
- *
- * Copyright (C) 2009 Tom Zanussi <tzanussi@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <ctype.h>
-#include <errno.h>
-
-#include "../../perf.h"
-#include "../util.h"
-#include "../thread.h"
-#include "../event.h"
-#include "../trace-event.h"
-#include "../evsel.h"
-
-#include <EXTERN.h>
-#include <perl.h>
-
-void boot_Perf__Trace__Context(pTHX_ CV *cv);
-void boot_DynaLoader(pTHX_ CV *cv);
-typedef PerlInterpreter * INTERP;
-
-void xs_init(pTHX);
-
-void xs_init(pTHX)
-{
- const char *file = __FILE__;
- dXSUB_SYS;
-
- newXS("Perf::Trace::Context::bootstrap", boot_Perf__Trace__Context,
- file);
- newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, file);
-}
-
-INTERP my_perl;
-
-#define FTRACE_MAX_EVENT \
- ((1 << (sizeof(unsigned short) * 8)) - 1)
-
-struct event *events[FTRACE_MAX_EVENT];
-
-extern struct scripting_context *scripting_context;
-
-static char *cur_field_name;
-static int zero_flag_atom;
-
-static void define_symbolic_value(const char *ev_name,
- const char *field_name,
- const char *field_value,
- const char *field_str)
-{
- unsigned long long value;
- dSP;
-
- value = eval_flag(field_value);
-
- ENTER;
- SAVETMPS;
- PUSHMARK(SP);
-
- XPUSHs(sv_2mortal(newSVpv(ev_name, 0)));
- XPUSHs(sv_2mortal(newSVpv(field_name, 0)));
- XPUSHs(sv_2mortal(newSVuv(value)));
- XPUSHs(sv_2mortal(newSVpv(field_str, 0)));
-
- PUTBACK;
- if (get_cv("main::define_symbolic_value", 0))
- call_pv("main::define_symbolic_value", G_SCALAR);
- SPAGAIN;
- PUTBACK;
- FREETMPS;
- LEAVE;
-}
-
-static void define_symbolic_values(struct print_flag_sym *field,
- const char *ev_name,
- const char *field_name)
-{
- define_symbolic_value(ev_name, field_name, field->value, field->str);
- if (field->next)
- define_symbolic_values(field->next, ev_name, field_name);
-}
-
-static void define_symbolic_field(const char *ev_name,
- const char *field_name)
-{
- dSP;
-
- ENTER;
- SAVETMPS;
- PUSHMARK(SP);
-
- XPUSHs(sv_2mortal(newSVpv(ev_name, 0)));
- XPUSHs(sv_2mortal(newSVpv(field_name, 0)));
-
- PUTBACK;
- if (get_cv("main::define_symbolic_field", 0))
- call_pv("main::define_symbolic_field", G_SCALAR);
- SPAGAIN;
- PUTBACK;
- FREETMPS;
- LEAVE;
-}
-
-static void define_flag_value(const char *ev_name,
- const char *field_name,
- const char *field_value,
- const char *field_str)
-{
- unsigned long long value;
- dSP;
-
- value = eval_flag(field_value);
-
- ENTER;
- SAVETMPS;
- PUSHMARK(SP);
-
- XPUSHs(sv_2mortal(newSVpv(ev_name, 0)));
- XPUSHs(sv_2mortal(newSVpv(field_name, 0)));
- XPUSHs(sv_2mortal(newSVuv(value)));
- XPUSHs(sv_2mortal(newSVpv(field_str, 0)));
-
- PUTBACK;
- if (get_cv("main::define_flag_value", 0))
- call_pv("main::define_flag_value", G_SCALAR);
- SPAGAIN;
- PUTBACK;
- FREETMPS;
- LEAVE;
-}
-
-static void define_flag_values(struct print_flag_sym *field,
- const char *ev_name,
- const char *field_name)
-{
- define_flag_value(ev_name, field_name, field->value, field->str);
- if (field->next)
- define_flag_values(field->next, ev_name, field_name);
-}
-
-static void define_flag_field(const char *ev_name,
- const char *field_name,
- const char *delim)
-{
- dSP;
-
- ENTER;
- SAVETMPS;
- PUSHMARK(SP);
-
- XPUSHs(sv_2mortal(newSVpv(ev_name, 0)));
- XPUSHs(sv_2mortal(newSVpv(field_name, 0)));
- XPUSHs(sv_2mortal(newSVpv(delim, 0)));
-
- PUTBACK;
- if (get_cv("main::define_flag_field", 0))
- call_pv("main::define_flag_field", G_SCALAR);
- SPAGAIN;
- PUTBACK;
- FREETMPS;
- LEAVE;
-}
-
-static void define_event_symbols(struct event *event,
- const char *ev_name,
- struct print_arg *args)
-{
- switch (args->type) {
- case PRINT_NULL:
- break;
- case PRINT_ATOM:
- define_flag_value(ev_name, cur_field_name, "0",
- args->atom.atom);
- zero_flag_atom = 0;
- break;
- case PRINT_FIELD:
- if (cur_field_name)
- free(cur_field_name);
- cur_field_name = strdup(args->field.name);
- break;
- case PRINT_FLAGS:
- define_event_symbols(event, ev_name, args->flags.field);
- define_flag_field(ev_name, cur_field_name, args->flags.delim);
- define_flag_values(args->flags.flags, ev_name, cur_field_name);
- break;
- case PRINT_SYMBOL:
- define_event_symbols(event, ev_name, args->symbol.field);
- define_symbolic_field(ev_name, cur_field_name);
- define_symbolic_values(args->symbol.symbols, ev_name,
- cur_field_name);
- break;
- case PRINT_STRING:
- break;
- case PRINT_TYPE:
- define_event_symbols(event, ev_name, args->typecast.item);
- break;
- case PRINT_OP:
- if (strcmp(args->op.op, ":") == 0)
- zero_flag_atom = 1;
- define_event_symbols(event, ev_name, args->op.left);
- define_event_symbols(event, ev_name, args->op.right);
- break;
- default:
- /* we should warn... */
- return;
- }
-
- if (args->next)
- define_event_symbols(event, ev_name, args->next);
-}
-
-static inline struct event *find_cache_event(int type)
-{
- static char ev_name[256];
- struct event *event;
-
- if (events[type])
- return events[type];
-
- events[type] = event = trace_find_event(type);
- if (!event)
- return NULL;
-
- sprintf(ev_name, "%s::%s", event->system, event->name);
-
- define_event_symbols(event, ev_name, event->print_fmt.args);
-
- return event;
-}
-
-static void perl_process_tracepoint(union perf_event *pevent __unused,
- struct perf_sample *sample,
- struct perf_evsel *evsel,
- struct machine *machine __unused,
- struct thread *thread)
-{
- struct format_field *field;
- static char handler[256];
- unsigned long long val;
- unsigned long s, ns;
- struct event *event;
- int type;
- int pid;
- int cpu = sample->cpu;
- void *data = sample->raw_data;
- unsigned long long nsecs = sample->time;
- char *comm = thread->comm;
-
- dSP;
-
- if (evsel->attr.type != PERF_TYPE_TRACEPOINT)
- return;
-
- type = trace_parse_common_type(data);
-
- event = find_cache_event(type);
- if (!event)
- die("ug! no event found for type %d", type);
-
- pid = trace_parse_common_pid(data);
-
- sprintf(handler, "%s::%s", event->system, event->name);
-
- s = nsecs / NSECS_PER_SEC;
- ns = nsecs - s * NSECS_PER_SEC;
-
- scripting_context->event_data = data;
-
- ENTER;
- SAVETMPS;
- PUSHMARK(SP);
-
- XPUSHs(sv_2mortal(newSVpv(handler, 0)));
- XPUSHs(sv_2mortal(newSViv(PTR2IV(scripting_context))));
- XPUSHs(sv_2mortal(newSVuv(cpu)));
- XPUSHs(sv_2mortal(newSVuv(s)));
- XPUSHs(sv_2mortal(newSVuv(ns)));
- XPUSHs(sv_2mortal(newSViv(pid)));
- XPUSHs(sv_2mortal(newSVpv(comm, 0)));
-
- /* common fields other than pid can be accessed via xsub fns */
-
- for (field = event->format.fields; field; field = field->next) {
- if (field->flags & FIELD_IS_STRING) {
- int offset;
- if (field->flags & FIELD_IS_DYNAMIC) {
- offset = *(int *)(data + field->offset);
- offset &= 0xffff;
- } else
- offset = field->offset;
- XPUSHs(sv_2mortal(newSVpv((char *)data + offset, 0)));
- } else { /* FIELD_IS_NUMERIC */
- val = read_size(data + field->offset, field->size);
- if (field->flags & FIELD_IS_SIGNED) {
- XPUSHs(sv_2mortal(newSViv(val)));
- } else {
- XPUSHs(sv_2mortal(newSVuv(val)));
- }
- }
- }
-
- PUTBACK;
-
- if (get_cv(handler, 0))
- call_pv(handler, G_SCALAR);
- else if (get_cv("main::trace_unhandled", 0)) {
- XPUSHs(sv_2mortal(newSVpv(handler, 0)));
- XPUSHs(sv_2mortal(newSViv(PTR2IV(scripting_context))));
- XPUSHs(sv_2mortal(newSVuv(cpu)));
- XPUSHs(sv_2mortal(newSVuv(nsecs)));
- XPUSHs(sv_2mortal(newSViv(pid)));
- XPUSHs(sv_2mortal(newSVpv(comm, 0)));
- call_pv("main::trace_unhandled", G_SCALAR);
- }
- SPAGAIN;
- PUTBACK;
- FREETMPS;
- LEAVE;
-}
-
-static void perl_process_event_generic(union perf_event *pevent __unused,
- struct perf_sample *sample,
- struct perf_evsel *evsel __unused,
- struct machine *machine __unused,
- struct thread *thread __unused)
-{
- dSP;
-
- if (!get_cv("process_event", 0))
- return;
-
- ENTER;
- SAVETMPS;
- PUSHMARK(SP);
- XPUSHs(sv_2mortal(newSVpvn((const char *)pevent, pevent->header.size)));
- XPUSHs(sv_2mortal(newSVpvn((const char *)&evsel->attr, sizeof(evsel->attr))));
- XPUSHs(sv_2mortal(newSVpvn((const char *)sample, sizeof(*sample))));
- XPUSHs(sv_2mortal(newSVpvn((const char *)sample->raw_data, sample->raw_size)));
- PUTBACK;
- call_pv("process_event", G_SCALAR);
- SPAGAIN;
- PUTBACK;
- FREETMPS;
- LEAVE;
-}
-
-static void perl_process_event(union perf_event *pevent,
- struct perf_sample *sample,
- struct perf_evsel *evsel,
- struct machine *machine,
- struct thread *thread)
-{
- perl_process_tracepoint(pevent, sample, evsel, machine, thread);
- perl_process_event_generic(pevent, sample, evsel, machine, thread);
-}
-
-static void run_start_sub(void)
-{
- dSP; /* access to Perl stack */
- PUSHMARK(SP);
-
- if (get_cv("main::trace_begin", 0))
- call_pv("main::trace_begin", G_DISCARD | G_NOARGS);
-}
-
-/*
- * Start trace script
- */
-static int perl_start_script(const char *script, int argc, const char **argv)
-{
- const char **command_line;
- int i, err = 0;
-
- command_line = malloc((argc + 2) * sizeof(const char *));
- command_line[0] = "";
- command_line[1] = script;
- for (i = 2; i < argc + 2; i++)
- command_line[i] = argv[i - 2];
-
- my_perl = perl_alloc();
- perl_construct(my_perl);
-
- if (perl_parse(my_perl, xs_init, argc + 2, (char **)command_line,
- (char **)NULL)) {
- err = -1;
- goto error;
- }
-
- if (perl_run(my_perl)) {
- err = -1;
- goto error;
- }
-
- if (SvTRUE(ERRSV)) {
- err = -1;
- goto error;
- }
-
- run_start_sub();
-
- free(command_line);
- return 0;
-error:
- perl_free(my_perl);
- free(command_line);
-
- return err;
-}
-
-/*
- * Stop trace script
- */
-static int perl_stop_script(void)
-{
- dSP; /* access to Perl stack */
- PUSHMARK(SP);
-
- if (get_cv("main::trace_end", 0))
- call_pv("main::trace_end", G_DISCARD | G_NOARGS);
-
- perl_destruct(my_perl);
- perl_free(my_perl);
-
- return 0;
-}
-
-static int perl_generate_script(const char *outfile)
-{
- struct event *event = NULL;
- struct format_field *f;
- char fname[PATH_MAX];
- int not_first, count;
- FILE *ofp;
-
- sprintf(fname, "%s.pl", outfile);
- ofp = fopen(fname, "w");
- if (ofp == NULL) {
- fprintf(stderr, "couldn't open %s\n", fname);
- return -1;
- }
-
- fprintf(ofp, "# perf script event handlers, "
- "generated by perf script -g perl\n");
-
- fprintf(ofp, "# Licensed under the terms of the GNU GPL"
- " License version 2\n\n");
-
- fprintf(ofp, "# The common_* event handler fields are the most useful "
- "fields common to\n");
-
- fprintf(ofp, "# all events. They don't necessarily correspond to "
- "the 'common_*' fields\n");
-
- fprintf(ofp, "# in the format files. Those fields not available as "
- "handler params can\n");
-
- fprintf(ofp, "# be retrieved using Perl functions of the form "
- "common_*($context).\n");
-
- fprintf(ofp, "# See Context.pm for the list of available "
- "functions.\n\n");
-
- fprintf(ofp, "use lib \"$ENV{'PERF_EXEC_PATH'}/scripts/perl/"
- "Perf-Trace-Util/lib\";\n");
-
- fprintf(ofp, "use lib \"./Perf-Trace-Util/lib\";\n");
- fprintf(ofp, "use Perf::Trace::Core;\n");
- fprintf(ofp, "use Perf::Trace::Context;\n");
- fprintf(ofp, "use Perf::Trace::Util;\n\n");
-
- fprintf(ofp, "sub trace_begin\n{\n\t# optional\n}\n\n");
- fprintf(ofp, "sub trace_end\n{\n\t# optional\n}\n\n");
-
- while ((event = trace_find_next_event(event))) {
- fprintf(ofp, "sub %s::%s\n{\n", event->system, event->name);
- fprintf(ofp, "\tmy (");
-
- fprintf(ofp, "$event_name, ");
- fprintf(ofp, "$context, ");
- fprintf(ofp, "$common_cpu, ");
- fprintf(ofp, "$common_secs, ");
- fprintf(ofp, "$common_nsecs,\n");
- fprintf(ofp, "\t $common_pid, ");
- fprintf(ofp, "$common_comm,\n\t ");
-
- not_first = 0;
- count = 0;
-
- for (f = event->format.fields; f; f = f->next) {
- if (not_first++)
- fprintf(ofp, ", ");
- if (++count % 5 == 0)
- fprintf(ofp, "\n\t ");
-
- fprintf(ofp, "$%s", f->name);
- }
- fprintf(ofp, ") = @_;\n\n");
-
- fprintf(ofp, "\tprint_header($event_name, $common_cpu, "
- "$common_secs, $common_nsecs,\n\t "
- "$common_pid, $common_comm);\n\n");
-
- fprintf(ofp, "\tprintf(\"");
-
- not_first = 0;
- count = 0;
-
- for (f = event->format.fields; f; f = f->next) {
- if (not_first++)
- fprintf(ofp, ", ");
- if (count && count % 4 == 0) {
- fprintf(ofp, "\".\n\t \"");
- }
- count++;
-
- fprintf(ofp, "%s=", f->name);
- if (f->flags & FIELD_IS_STRING ||
- f->flags & FIELD_IS_FLAG ||
- f->flags & FIELD_IS_SYMBOLIC)
- fprintf(ofp, "%%s");
- else if (f->flags & FIELD_IS_SIGNED)
- fprintf(ofp, "%%d");
- else
- fprintf(ofp, "%%u");
- }
-
- fprintf(ofp, "\\n\",\n\t ");
-
- not_first = 0;
- count = 0;
-
- for (f = event->format.fields; f; f = f->next) {
- if (not_first++)
- fprintf(ofp, ", ");
-
- if (++count % 5 == 0)
- fprintf(ofp, "\n\t ");
-
- if (f->flags & FIELD_IS_FLAG) {
- if ((count - 1) % 5 != 0) {
- fprintf(ofp, "\n\t ");
- count = 4;
- }
- fprintf(ofp, "flag_str(\"");
- fprintf(ofp, "%s::%s\", ", event->system,
- event->name);
- fprintf(ofp, "\"%s\", $%s)", f->name,
- f->name);
- } else if (f->flags & FIELD_IS_SYMBOLIC) {
- if ((count - 1) % 5 != 0) {
- fprintf(ofp, "\n\t ");
- count = 4;
- }
- fprintf(ofp, "symbol_str(\"");
- fprintf(ofp, "%s::%s\", ", event->system,
- event->name);
- fprintf(ofp, "\"%s\", $%s)", f->name,
- f->name);
- } else
- fprintf(ofp, "$%s", f->name);
- }
-
- fprintf(ofp, ");\n");
- fprintf(ofp, "}\n\n");
- }
-
- fprintf(ofp, "sub trace_unhandled\n{\n\tmy ($event_name, $context, "
- "$common_cpu, $common_secs, $common_nsecs,\n\t "
- "$common_pid, $common_comm) = @_;\n\n");
-
- fprintf(ofp, "\tprint_header($event_name, $common_cpu, "
- "$common_secs, $common_nsecs,\n\t $common_pid, "
- "$common_comm);\n}\n\n");
-
- fprintf(ofp, "sub print_header\n{\n"
- "\tmy ($event_name, $cpu, $secs, $nsecs, $pid, $comm) = @_;\n\n"
- "\tprintf(\"%%-20s %%5u %%05u.%%09u %%8u %%-20s \",\n\t "
- "$event_name, $cpu, $secs, $nsecs, $pid, $comm);\n}\n");
-
- fprintf(ofp,
- "\n# Packed byte string args of process_event():\n"
- "#\n"
- "# $event:\tunion perf_event\tutil/event.h\n"
- "# $attr:\tstruct perf_event_attr\tlinux/perf_event.h\n"
- "# $sample:\tstruct perf_sample\tutil/event.h\n"
- "# $raw_data:\tperf_sample->raw_data\tutil/event.h\n"
- "\n"
- "sub process_event\n"
- "{\n"
- "\tmy ($event, $attr, $sample, $raw_data) = @_;\n"
- "\n"
- "\tmy @event\t= unpack(\"LSS\", $event);\n"
- "\tmy @attr\t= unpack(\"LLQQQQQLLQQ\", $attr);\n"
- "\tmy @sample\t= unpack(\"QLLQQQQQLL\", $sample);\n"
- "\tmy @raw_data\t= unpack(\"C*\", $raw_data);\n"
- "\n"
- "\tuse Data::Dumper;\n"
- "\tprint Dumper \\@event, \\@attr, \\@sample, \\@raw_data;\n"
- "}\n");
-
- fclose(ofp);
-
- fprintf(stderr, "generated Perl script: %s\n", fname);
-
- return 0;
-}
-
-struct scripting_ops perl_scripting_ops = {
- .name = "Perl",
- .start_script = perl_start_script,
- .stop_script = perl_stop_script,
- .process_event = perl_process_event,
- .generate_script = perl_generate_script,
-};
generated by cgit (git 2.34.1) at 2024-12-21 10:01:12 +0000