Page MenuHomeFreeBSD

D58924.1793636072.diff
No OneTemporary

Authored By
Unknown
Size
5 KB
Referenced Files
None
Subscribers
None

D58924.1793636072.diff

diff --git a/usr.sbin/pmc/cmd_pmc_program.cc b/usr.sbin/pmc/cmd_pmc_program.cc
new file mode 100644
--- /dev/null
+++ b/usr.sbin/pmc/cmd_pmc_program.cc
@@ -0,0 +1,212 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2026, Netflix, Inc.
+ *
+ * This software was developed by Ali Mashtizadeh under the sponsorship from
+ * Netflix, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ */
+
+#include <sys/param.h>
+#include <sys/cpuset.h>
+#include <sys/event.h>
+#include <sys/queue.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/sysctl.h>
+#include <sys/time.h>
+#include <sys/ttycom.h>
+#include <sys/user.h>
+#include <sys/wait.h>
+
+#include <assert.h>
+#include <curses.h>
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <getopt.h>
+#include <kvm.h>
+#include <libgen.h>
+#include <limits.h>
+#include <locale.h>
+#include <math.h>
+#include <pmc.h>
+#include <pmclog.h>
+#include <regex.h>
+#include <signal.h>
+#include <stdarg.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <string.h>
+#include <sysexits.h>
+#include <unistd.h>
+
+#include "cmd_pmc.h"
+
+#include <iostream>
+#include <map>
+#include <set>
+#include <string>
+#include <unordered_map>
+#include <unordered_set>
+#include <vector>
+
+#include "display.hh"
+#include "view.hh"
+
+struct funcinfo
+{
+ std::string binary;
+ std::string func;
+ uint64_t samples;
+ uint64_t ksamples;
+};
+
+static int sortcol = 2;
+
+class program_view : public pmcview
+{
+public:
+ program_view() : total(), samples() { }
+ ~program_view() { }
+
+ void
+ addsample(const syminfo &sym, bool user)
+ {
+ std::string bin = basename(sym.binary);
+ std::string key = bin + "!!" + sym.name;
+
+ auto e = samples.find(key);
+ if (e == samples.end())
+ samples[key] = funcinfo({ bin, sym.name, 0, 0 });
+
+ if (user)
+ samples[key].samples++;
+ else
+ samples[key].ksamples++;
+
+ total++;
+ }
+
+ virtual void
+ callchain(struct pmclog_ev_callchain &p, uintfptr_t *cc, __unused int len)
+ {
+ int usermode = (PMC_CALLCHAIN_CPUFLAGS_TO_USERMODE(p.pl_cpuflags) != 0);
+
+ syminfo sym = addrtosymbol(usermode ? p.pl_pid : 0, cc[0]);
+ if (sym.binary != "") {
+ addsample(sym, usermode != 0);
+ }
+ }
+
+ virtual void
+ print()
+ {
+ // Print header
+ table t = table();
+ t.addcolumn("Image", true);
+ t.addcolumn("Function", true);
+ t.addcolumn("Samples");
+
+ for (auto &kv : samples) {
+ std::vector<field> r;
+
+ r.emplace_back(kv.second.binary);
+ r.emplace_back(kv.second.func);
+ r.emplace_back(kv.second.samples, total, kv.second.ksamples, total);
+
+ t.addrow(r);
+ }
+
+ t.sort(sortcol);
+ t.print();
+ }
+protected:
+ uint64_t total = 0;
+ std::unordered_map<std::string, funcinfo> samples = std::unordered_map<std::string, funcinfo>();
+};
+
+
+static struct option longopts[] = {
+ PMCFILTER_LOPTS,
+ { NULL, 0, NULL, 0 }
+};
+
+static void
+usage(void)
+{
+ printf("Usage: pmc program [options] [pmclog]\n\n");
+ printf("Display a per-function summary\n\n");
+ printf("Options:\n");
+ printf("\t-s,--sort Sort by event\n\n");
+ PMCFILTER_PRINTOPTS();
+}
+
+int
+cmd_pmc_program(int argc, char **argv)
+{
+ struct pmcfilter filter = pmcfilter();
+ const char *logfile = "default.log";
+ int option, logfd;
+
+ while ((option = getopt_long(argc, argv, PMCFILTER_SOPTS, longopts, NULL)) != -1) {
+ switch (option) {
+ PMCFILTER_CASE(filter);
+ case 's':
+ sortcol = atoi(optarg);
+ break;
+ case '?':
+ default:
+ usage();
+ exit(EX_USAGE);
+ }
+ }
+ argc -= optind;
+ argv += optind;
+ if (argc > 1) {
+ usage();
+ exit(EX_USAGE);
+ }
+ if (argc == 1)
+ logfile = argv[0];
+
+ setup_screen();
+
+ if ((logfd = open(logfile, O_RDONLY)) < 0) {
+ errx(EX_OSERR, "ERROR: Cannot open \"%s\" for reading: %s.", argv[0],
+ strerror(errno));
+ }
+
+ program_view v = program_view();
+ v.setfilter(filter);
+ v.process(logfd);
+ v.print();
+
+ close(logfd);
+
+ return (EX_OK);
+}

File Metadata

Mime Type
text/plain
Expires
Mon, Nov 2, 4:14 PM (17 h, 24 m)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
36963758
Default Alt Text
D58924.1793636072.diff (5 KB)

Event Timeline