diff options
author | fabient <fabient@FreeBSD.org> | 2010-02-11 22:51:44 +0000 |
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committer | fabient <fabient@FreeBSD.org> | 2010-02-11 22:51:44 +0000 |
commit | 2d898efa0f4c98f1caff58bc68f8d94b3428295c (patch) | |
tree | 091f910a065fcba8266347c8fdff08999c2095bd /usr.sbin/pmcstat/pmcpl_annotate.c | |
parent | 574fc5dc432c19d947ac3d4868f257ed14a184c2 (diff) | |
download | FreeBSD-src-2d898efa0f4c98f1caff58bc68f8d94b3428295c.zip FreeBSD-src-2d898efa0f4c98f1caff58bc68f8d94b3428295c.tar.gz |
- Reorganize code in 'plugin' to share log processing.
- Kcachegrind (calltree) support with assembly/source
code mapping and call count estimator (-F).
- Top mode for calltree and callgraph plugin (-T).
MFC after: 1 month
Diffstat (limited to 'usr.sbin/pmcstat/pmcpl_annotate.c')
-rw-r--r-- | usr.sbin/pmcstat/pmcpl_annotate.c | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/usr.sbin/pmcstat/pmcpl_annotate.c b/usr.sbin/pmcstat/pmcpl_annotate.c new file mode 100644 index 0000000..802983c --- /dev/null +++ b/usr.sbin/pmcstat/pmcpl_annotate.c @@ -0,0 +1,111 @@ +/*- + * Copyright (c) 2005-2007, Joseph Koshy + * Copyright (c) 2007 The FreeBSD Foundation + * All rights reserved. + * + * Portions of this software were developed by A. Joseph Koshy under + * sponsorship from the FreeBSD Foundation and Google, 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. + */ + +/* + * Transform a hwpmc(4) log into human readable form, and into + * gprof(1) compatible profiles. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <sys/endian.h> +#include <sys/gmon.h> +#include <sys/imgact_aout.h> +#include <sys/imgact_elf.h> +#include <sys/mman.h> +#include <sys/pmc.h> +#include <sys/queue.h> +#include <sys/socket.h> +#include <sys/stat.h> +#include <sys/wait.h> + +#include <netinet/in.h> + +#include <assert.h> +#include <err.h> +#include <errno.h> +#include <fcntl.h> +#include <gelf.h> +#include <libgen.h> +#include <limits.h> +#include <netdb.h> +#include <pmc.h> +#include <pmclog.h> +#include <sysexits.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include "pmcstat.h" +#include "pmcstat_log.h" +#include "pmcpl_annotate.h" + +/* + * Record a callchain. + */ + +void +pmcpl_annotate_process(struct pmcstat_process *pp, struct pmcstat_pmcrecord *pmcr, + uint32_t nsamples, uintfptr_t *cc, int usermode, uint32_t cpu) +{ + struct pmcstat_pcmap *map; + struct pmcstat_symbol *sym; + uintfptr_t newpc; + struct pmcstat_image *image; + + (void) pmcr; (void) nsamples; (void) usermode; (void) cpu; + + map = pmcstat_process_find_map(usermode ? pp : pmcstat_kernproc, cc[0]); + if (map == NULL) { + /* Unknown offset. */ + pmcstat_stats.ps_samples_unknown_offset++; + return; + } + + assert(cc[0] >= map->ppm_lowpc && cc[0] < map->ppm_highpc); + + image = map->ppm_image; + newpc = cc[0] - (map->ppm_lowpc + + (image->pi_vaddr - image->pi_start)); + sym = pmcstat_symbol_search(image, newpc); + if (sym == NULL) + return; + + fprintf(args.pa_graphfile, "%p %s 0x%jx 0x%jx\n", + (void *)cc[0], + pmcstat_string_unintern(sym->ps_name), + (uintmax_t)(sym->ps_start + + image->pi_vaddr), (uintmax_t)(sym->ps_end + + image->pi_vaddr)); +} |