Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754676Ab3H1PBe (ORCPT ); Wed, 28 Aug 2013 11:01:34 -0400 Received: from merlin.infradead.org ([205.233.59.134]:40605 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754038Ab3H1O7y (ORCPT ); Wed, 28 Aug 2013 10:59:54 -0400 From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, Arnaldo Carvalho de Melo , Adrian Hunter , David Ahern , Frederic Weisbecker , Mike Galbraith , Paul Mackerras , Peter Zijlstra , Stephane Eranian Subject: [PATCH 19/21] perf trace: Add beautifier for madvise behaviour/advice parm Date: Wed, 28 Aug 2013 11:59:35 -0300 Message-Id: <1377701977-2085-20-git-send-email-acme@infradead.org> X-Mailer: git-send-email 1.8.1.4 In-Reply-To: <1377701977-2085-1-git-send-email-acme@infradead.org> References: <1377701977-2085-1-git-send-email-acme@infradead.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by merlin.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2794 Lines: 85 From: Arnaldo Carvalho de Melo [root@zoo ~]# perf trace -e madvise -a 35299.631 ( 0.019 ms): 19553 madvise(start: 0x7f5b101d4000, len_in: 4063232, behavior: DONTNEED ) = 0 Cc: Adrian Hunter Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-a3twa1ia5sxt0hsxqika4efq@git.kernel.org [ ifdef DO(NT)?DUMP to fix build on f16, from David Ahern ] Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-trace.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 034152c..b72afc7 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -88,6 +88,43 @@ static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size, unsigned #define SCA_MMAP_FLAGS syscall_arg__scnprintf_mmap_flags +static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size, unsigned long arg) +{ + int behavior = arg; + + switch (behavior) { +#define P_MADV_BHV(n) case MADV_##n: return scnprintf(bf, size, #n) + P_MADV_BHV(NORMAL); + P_MADV_BHV(RANDOM); + P_MADV_BHV(SEQUENTIAL); + P_MADV_BHV(WILLNEED); + P_MADV_BHV(DONTNEED); + P_MADV_BHV(REMOVE); + P_MADV_BHV(DONTFORK); + P_MADV_BHV(DOFORK); + P_MADV_BHV(HWPOISON); +#ifdef MADV_SOFT_OFFLINE + P_MADV_BHV(SOFT_OFFLINE); +#endif + P_MADV_BHV(MERGEABLE); + P_MADV_BHV(UNMERGEABLE); + P_MADV_BHV(HUGEPAGE); + P_MADV_BHV(NOHUGEPAGE); +#ifdef MADV_DONTDUMP + P_MADV_BHV(DONTDUMP); +#endif +#ifdef MADV_DODUMP + P_MADV_BHV(DODUMP); +#endif +#undef P_MADV_PHV + default: break; + } + + return scnprintf(bf, size, "%#x", behavior); +} + +#define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior + static struct syscall_fmt { const char *name; const char *alias; @@ -108,6 +145,9 @@ static struct syscall_fmt { { .name = "ioctl", .errmsg = true, .arg_scnprintf = { [2] = SCA_HEX, /* arg */ }, }, { .name = "lstat", .errmsg = true, .alias = "newlstat", }, + { .name = "madvise", .errmsg = true, + .arg_scnprintf = { [0] = SCA_HEX, /* start */ + [2] = SCA_MADV_BHV, /* behavior */ }, }, { .name = "mmap", .hexret = true, .arg_scnprintf = { [0] = SCA_HEX, /* addr */ [2] = SCA_MMAP_PROT, /* prot */ -- 1.8.1.4 -- 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/