From 6566feafb4dba4eef30a9c0b25e6f49f996178b6 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Tue, 19 Apr 2016 12:22:25 -0300 Subject: [PATCH] perf test: Add missing verbose output explaining the reason for failure One of the branches leading to an error had no debug message emitted, fix it, the new lines are: # perf test -v kallsyms 0xffffffff81001000: diff name v: xen_hypercall_set_trap_table k: hypercall_page 0xffffffff810691f0: diff name v: try_to_free_pud_page k: try_to_free_pmd_page 0xffffffff8150bb20: diff name v: wakeup_expire_count_show.part.5 k: wakeup_active_count_show.part.7 0xffffffff816bc7f0: diff name v: phys_switch_id_show.part.11 k: phys_port_name_show.part.12 0xffffffff817bbb90: diff name v: __do_softirq k: __softirqentry_text_start This in turn exercises another bug, still under investigation, because those aliases _are_ in kallsyms, with the same name... Cc: Adrian Hunter Cc: David Ahern Cc: Jiri Olsa Cc: Namhyung Kim Cc: Wang Nan Fixes: ab414dcda8fa ("perf test: Fixup aliases checking in the 'vmlinux matches kallsyms' test") Link: http://lkml.kernel.org/n/tip-5fhea7a54a54gsmagu9obpr4@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/tests/vmlinux-kallsyms.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tools/perf/tests/vmlinux-kallsyms.c b/tools/perf/tests/vmlinux-kallsyms.c index c05f1bdd9210..e63abab7d5a1 100644 --- a/tools/perf/tests/vmlinux-kallsyms.c +++ b/tools/perf/tests/vmlinux-kallsyms.c @@ -163,6 +163,9 @@ next_pair: pr_debug("%#" PRIx64 ": diff name v: %s k: %s\n", mem_start, sym->name, pair->name); + } else { + pr_debug("%#" PRIx64 ": diff name v: %s k: %s\n", + mem_start, sym->name, first_pair->name); } } } else -- 2.11.0