Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753420AbaB1Rn4 (ORCPT ); Fri, 28 Feb 2014 12:43:56 -0500 Received: from mx1.redhat.com ([209.132.183.28]:39430 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753282AbaB1Rny (ORCPT ); Fri, 28 Feb 2014 12:43:54 -0500 From: Don Zickus To: acme@ghostprotocols.net Cc: LKML , jolsa@redhat.com, jmario@redhat.com, fowles@inreach.com, eranian@google.com, Don Zickus Subject: [PATCH 17/19] perf, c2c: Dump rbtree for debugging Date: Fri, 28 Feb 2014 12:43:06 -0500 Message-Id: <1393609388-40489-18-git-send-email-dzickus@redhat.com> In-Reply-To: <1393609388-40489-1-git-send-email-dzickus@redhat.com> References: <1393609388-40489-1-git-send-email-dzickus@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Sometimes you want to verify the rbtree sorting on a unique id is working correctly. This allows you to dump it. Sample output: Idx Hit Maj Min Ino InoGen Pid Daddr Iaddr Data Src (string) cpumode 0 0 0 0 0 0 22 ffffffff813044cf 48080184 [STORE,L1,MISS,SNP NA] 1 1 0 0 0 0 2332 ca3 ffffffffa0226032 48080184 [STORE,L1,MISS,SNP NA] 1 2 0 0 0 0 2332 ca3 ffffffffa0226032 48080184 [STORE,L1,MISS,SNP NA] 1 3 0 0 0 0 2332 ca3 ffffffffa0226032 48080184 [STORE,L1,MISS,SNP NA] 1 4 0 0 0 0 2332 ca3 ffffffffa0226032 48080184 [STORE,L1,MISS,SNP NA] 1 5 0 0 0 0 2332 ca3 ffffffffa0226032 48080184 [STORE,L1,MISS,SNP NA] 1 6 0 0 0 0 2332 ca3 ffffffffa0226032 48080184 [STORE,L1,MISS,SNP NA] 1 7 0 0 0 0 18179 135f860 ffffffff812ad509 68100242 [LOAD,LFB,HIT,SNP NONE] 1 8 0 0 0 0 18179 7ff9d7fbaf98 ffffffff812ad509 68100242 [LOAD,LFB,HIT,SNP NONE] 1 V2: refresh with hist_entry Signed-off-by: Don Zickus --- tools/perf/builtin-c2c.c | 51 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c index 3b0e0b2..c095f1b 100644 --- a/tools/perf/builtin-c2c.c +++ b/tools/perf/builtin-c2c.c @@ -616,6 +616,55 @@ err: #define HAS_HITMS(h) (h->stats.t.lcl_hitm || h->stats.t.rmt_hitm) +static void dump_rb_tree(struct rb_root *tree, + struct perf_c2c *c2c __maybe_unused) +{ + struct rb_node *next = rb_first(tree); + struct hist_entry *he; + u64 cl = 0; + int idx = 0; + + printf("# Summary: Total entries - %d\n", c2c->stats.nr_entries); + printf("# HITMs: Local - %d Remote - %d Total - %d\n", + c2c->stats.t.lcl_hitm, c2c->stats.t.rmt_hitm, + (c2c->stats.t.lcl_hitm + c2c->stats.t.rmt_hitm)); + + printf("%6s %3s %3s %3s %8s %16s %6s %16s %16s %16s %32s %8s\n", + "Idx", "Hit", "Maj", "Min", "Ino", "InoGen", "Pid", + "Daddr", "Iaddr", "Data Src", "(string)", "cpumode"); + while (next) { + char data_src[32]; + u64 val; + + he = rb_entry(next, struct hist_entry, rb_node_in); + next = rb_next(&he->rb_node_in); + + if ((!he->color) || (cl != CLADRS(he->mem_info->daddr.al_addr))) { + printf("\n"); + cl = CLADRS(he->mem_info->daddr.al_addr); + } + + val = he->mem_info->data_src.val; + perf_c2c__scnprintf_data_src(data_src, sizeof(data_src), val); + + printf("%6d %3s %3x %3x %8lx %16lx %6d %16lx %16lx %16lx %32s %8x\n", + idx, + (PERF_MEM_S(SNOOP,HITM) & val) ? " * " : " ", + he->mem_info->daddr.map->maj, + he->mem_info->daddr.map->min, + he->mem_info->daddr.map->ino, + he->mem_info->daddr.map->ino_generation, + he->thread->pid_, + he->mem_info->daddr.addr, + he->mem_info->iaddr.addr, + val, + data_src, + he->cpumode); + + idx++; + } +} + static void c2c_hit__update_stats(struct c2c_stats *new, struct c2c_stats *old) { @@ -1213,6 +1262,8 @@ static int perf_c2c__process_events(struct perf_session *session, goto err; } + if (verbose > 2) + dump_rb_tree(c2c->hists.entries_in, c2c); print_c2c_trace_report(c2c); c2c_analyze_hitms(c2c); -- 1.7.11.7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/