/*
 * builtin-buildid-list.c
 *
 * Builtin buildid-list command: list buildids in perf.data, in the running
 * kernel and in ELF files.
 *
 * Copyright (C) 2009, Red Hat Inc.
 * Copyright (C) 2009, Arnaldo Carvalho de Melo <acme@redhat.com>
 */
#include "builtin.h"
#include "perf.h"
#include "util/build-id.h"
#include "util/cache.h"
#include "util/debug.h"
#include <subcmd/parse-options.h>
#include "util/session.h"
#include "util/symbol.h"
#include "util/data.h"

static int sysfs__fprintf_build_id(FILE *fp)
{
	char sbuild_id[SBUILD_ID_SIZE];
	int ret;

	ret = sysfs__sprintf_build_id("/", sbuild_id);
	if (ret != sizeof(sbuild_id))
		return ret < 0 ? ret : -EINVAL;

	return fprintf(fp, "%s\n", sbuild_id);
}

static int filename__fprintf_build_id(const char *name, FILE *fp)
{
	char sbuild_id[SBUILD_ID_SIZE];
	int ret;

	ret = filename__sprintf_build_id(name, sbuild_id);
	if (ret != sizeof(sbuild_id))
		return ret < 0 ? ret : -EINVAL;

	return fprintf(fp, "%s\n", sbuild_id);
}

static bool dso__skip_buildid(struct dso *dso, int with_hits)
{
	return with_hits && !dso->hit;
}

static int perf_session__list_build_ids(bool force, bool with_hits)
{
	struct perf_session *session;
	struct perf_data_file file = {
		.path  = input_name,
		.mode  = PERF_DATA_MODE_READ,
		.force = force,
	};

	symbol__elf_init();
	/*
	 * See if this is an ELF file first:
	 */
	if (filename__fprintf_build_id(input_name, stdout) > 0)
		goto out;

	session = perf_session__new(&file, false, &build_id__mark_dso_hit_ops);
	if (session == NULL)
		return -1;

	/*
	 * We take all buildids when the file contains AUX area tracing data
	 * because we do not decode the trace because it would take too long.
	 */
	if (!perf_data_file__is_pipe(&file) &&
	    perf_header__has_feat(&session->header, HEADER_AUXTRACE))
		with_hits = false;

	/*
	 * in pipe-mode, the only way to get the buildids is to parse
	 * the record stream. Buildids are stored as RECORD_HEADER_BUILD_ID
	 */
	if (with_hits || perf_data_file__is_pipe(&file))
		perf_session__process_events(session);

	perf_session__fprintf_dsos_buildid(session, stdout, dso__skip_buildid, with_hits);
	perf_session__delete(session);
out:
	return 0;
}

int cmd_buildid_list(int argc, const char **argv,
		     const char *prefix __maybe_unused)
{
	bool show_kernel = false;
	bool with_hits = false;
	bool force = false;
	const struct option options[] = {
	OPT_BOOLEAN('H', "with-hits", &with_hits, "Show only DSOs with hits"),
	OPT_STRING('i', "input", &input_name, "file", "input file name"),
	OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),
	OPT_BOOLEAN('k', "kernel", &show_kernel, "Show current kernel build id"),
	OPT_INCR('v', "verbose", &verbose, "be more verbose"),
	OPT_END()
	};
	const char * const buildid_list_usage[] = {
		"perf buildid-list [<options>]",
		NULL
	};

	argc = parse_options(argc, argv, options, buildid_list_usage, 0);
	setup_pager();

	if (show_kernel)
		return !(sysfs__fprintf_build_id(stdout) > 0);

	return perf_session__list_build_ids(force, with_hits);
}
i/linux/net-next.git/commit/net/ipv6/ip6_checksum.c?id=0263d4ebd94b36280608e296cba39b924b6e832b'>ip6_checksum.c</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='0263d4ebd94b36280608e296cba39b924b6e832b'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-01-24 12:38:43 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-01-24 12:38:43 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/ipv6/ip6_checksum.c?id=0263d4ebd94b36280608e296cba39b924b6e832b'>0263d4ebd94b36280608e296cba39b924b6e832b</a> (<a href='/cgit.cgi/linux/net-next.git/patch/net/ipv6/ip6_checksum.c?id=0263d4ebd94b36280608e296cba39b924b6e832b'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=0263d4ebd94b36280608e296cba39b924b6e832b'>6e21b4b3d8e8fb12cdfcfd185d46992487265a9b</a> /<a href='/cgit.cgi/linux/net-next.git/tree/net/ipv6/ip6_checksum.c?id=0263d4ebd94b36280608e296cba39b924b6e832b'>net/ipv6/ip6_checksum.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/ipv6/ip6_checksum.c?id=19ca2c8fecb1592d623fe5e82d6796f8d446268d'>19ca2c8fecb1592d623fe5e82d6796f8d446268d</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/ipv6/ip6_checksum.c?id=0263d4ebd94b36280608e296cba39b924b6e832b&amp;id2=19ca2c8fecb1592d623fe5e82d6796f8d446268d'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/ipv6/ip6_checksum.c?id=7b9e1d89e1b6a3b99a8fdd949aa0f98dd5bf2f6b'>7b9e1d89e1b6a3b99a8fdd949aa0f98dd5bf2f6b</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/ipv6/ip6_checksum.c?id=0263d4ebd94b36280608e296cba39b924b6e832b&amp;id2=7b9e1d89e1b6a3b99a8fdd949aa0f98dd5bf2f6b'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge tag 'platform-drivers-x86-v4.10-4' of git://git.infradead.org/linux-platform-drivers-x86</div><div class='commit-msg'>Pull x86 platform-driver fixes from Andy Shevchenko:
 "This is my first pull request since I become a co-maintainer of
  Platform Drivers x86 subsystem. It's a bit bigger than usual due to
  material collected for almost two weeks in a row.

  MAINTAINERS:
   - Add myself to X86 PLATFORM DRIVERS as a co-maintainer

  ideapad-laptop:
   - handle ACPI event 1

  intel_mid_powerbtn:
   - Set IRQ_ONESHOT

  surface3-wmi:
   - fix uninitialized symbol
   - Shut up unused-function warning

  mlx-platform:
   - free first dev on error"

* tag 'platform-drivers-x86-v4.10-4' of git://git.infradead.org/linux-platform-drivers-x86:
  MAINTAINERS: Add myself to X86 PLATFORM DRIVERS as a co-maintainer
  platform/x86: ideapad-laptop: handle ACPI event 1
  platform/x86: intel_mid_powerbtn: Set IRQ_ONESHOT
  platform/x86: surface3-wmi: fix uninitialized symbol
  platform/x86: surface3-wmi: Shut up unused-function warning
  platform/x86: mlx-platform: free first dev on error
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=0263d4ebd94b36280608e296cba39b924b6e832b'>Diffstat</a> (limited to 'net/ipv6/ip6_checksum.c')</div><table summary='diffstat' class='diffstat'>