From 9974f496782b7612e36a143bedda858f1cb953d4 Mon Sep 17 00:00:00 2001 From: Mike Galbraith Date: Thu, 2 Jul 2009 08:05:58 +0200 Subject: perf_counter tools: Make symbol loading consistently return number of loaded symbols perf_counter tools: Make symbol loading consistently return number of loaded symbols. Signed-off-by: Mike Galbraith Cc: Peter Zijlstra Cc: Paul Mackerras Cc: Arnaldo Carvalho de Melo LKML-Reference: <1246514758.13293.42.camel@marge.simson.net> Signed-off-by: Ingo Molnar --- tools/perf/builtin-annotate.c | 2 +- tools/perf/builtin-report.c | 2 +- tools/perf/builtin-top.c | 2 +- tools/perf/util/symbol.c | 9 ++++++--- 4 files changed, 9 insertions(+), 6 deletions(-) diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index 132de8b28db..3becc8a35be 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -172,7 +172,7 @@ static int load_kernel(void) return -1; err = dso__load_kernel(kernel_dso, vmlinux, NULL, verbose); - if (err) { + if (err <= 0) { dso__delete(kernel_dso); kernel_dso = NULL; } else diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index be1b7584796..58d1612894f 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -189,7 +189,7 @@ static int load_kernel(void) return -1; err = dso__load_kernel(kernel_dso, vmlinux, NULL, verbose); - if (err) { + if (err <= 0) { dso__delete(kernel_dso); kernel_dso = NULL; } else diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index cdc74cfb151..97fde1d8436 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -364,7 +364,7 @@ static int parse_symbols(void) if (kernel_dso == NULL) return -1; - if (dso__load_kernel(kernel_dso, NULL, symbol_filter, 1) != 0) + if (dso__load_kernel(kernel_dso, NULL, symbol_filter, 1) <= 0) goto out_delete_dso; node = rb_first(&kernel_dso->syms); diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 78c2efde01b..c077b6a1469 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -146,6 +146,7 @@ static int dso__load_kallsyms(struct dso *self, symbol_filter_t filter, int verb char *line = NULL; size_t n; FILE *file = fopen("/proc/kallsyms", "r"); + int count = 0; if (file == NULL) goto out_failure; @@ -188,8 +189,10 @@ static int dso__load_kallsyms(struct dso *self, symbol_filter_t filter, int verb if (filter && filter(self, sym)) symbol__delete(sym, self->sym_priv_size); - else + else { dso__insert_symbol(self, sym); + count++; + } } /* @@ -212,7 +215,7 @@ static int dso__load_kallsyms(struct dso *self, symbol_filter_t filter, int verb free(line); fclose(file); - return 0; + return count; out_delete_line: free(line); @@ -639,7 +642,7 @@ int dso__load_kernel(struct dso *self, const char *vmlinux, if (vmlinux) err = dso__load_vmlinux(self, vmlinux, filter, verbose); - if (err < 0) + if (err <= 0) err = dso__load_kallsyms(self, filter, verbose); return err; -- cgit v1.2.3