From patchwork Thu Nov 15 12:05:41 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [1/4] lib: fwts_oops: check for WARN_ON messages as well as oopses From: Colin King X-Patchwork-Id: 199262 Message-Id: <1352981144-3586-2-git-send-email-colin.king@canonical.com> To: fwts-devel@lists.ubuntu.com Date: Thu, 15 Nov 2012 12:05:41 +0000 From: Colin Ian King It is also useful to check for WARN_ON messages as well as oopses in the oops check. We add a new counter to count WARN_ONs too. Signed-off-by: Colin Ian King Acked-by: Alex Hung Acked-by: Keng-Yu Lin --- src/lib/include/fwts_oops.h | 2 +- src/lib/src/fwts_oops.c | 63 ++++++++++++++++++++++++++++++------------- 2 files changed, 45 insertions(+), 20 deletions(-) diff --git a/src/lib/include/fwts_oops.h b/src/lib/include/fwts_oops.h index 556b1c5..e09e5e3 100644 --- a/src/lib/include/fwts_oops.h +++ b/src/lib/include/fwts_oops.h @@ -22,6 +22,6 @@ #include -int fwts_oops_check(fwts_framework *fw, fwts_list *klog, int *oopses); +int fwts_oops_check(fwts_framework *fw, fwts_list *klog, int *oopses, int *warn_ons); #endif diff --git a/src/lib/src/fwts_oops.c b/src/lib/src/fwts_oops.c index fe557e5..4eaad1f 100644 --- a/src/lib/src/fwts_oops.c +++ b/src/lib/src/fwts_oops.c @@ -25,33 +25,40 @@ #include "fwts.h" #define FWTS_OOPS_GOT_OOPS (0x0001) -#define FWTS_OOPS_GOT_STACK (0x0002) -#define FWTS_OOPS_GOT_CALL_TRACE (0x0004) -#define FWTS_OOPS_GOT_END_TRACE (0x0008) +#define FWTS_OOPS_GOT_CALL_TRACE (0x0002) +#define FWTS_OOPS_GOT_END_TRACE (0x0004) +#define FWTS_OOPS_GOT_WARN_ON (0x0008) #define FWTS_OOPS_DUMPABLE \ - (FWTS_OOPS_GOT_OOPS | FWTS_OOPS_GOT_STACK | FWTS_OOPS_GOT_CALL_TRACE | FWTS_OOPS_GOT_END_TRACE) + (FWTS_OOPS_GOT_OOPS | FWTS_OOPS_GOT_CALL_TRACE | FWTS_OOPS_GOT_END_TRACE) +#define FWTS_WARN_ON_DUMPABLE \ + (FWTS_OOPS_GOT_WARN_ON | FWTS_OOPS_GOT_CALL_TRACE | FWTS_OOPS_GOT_END_TRACE) /* - * fwts_oops_dump() - * for a given item in a kernel log list, scan for an oops message and - * if we find an oops message increment 'oopses' and dump out the oops - * message to the fwts log + * fwts_klog_stack_dump() + * for a given item in a kernel log list, scan for an oops or WARN_ON message. + * Increment oopses or warn_ons depending on what we find and dump out the stack + * trace to the fwts log */ -void fwts_oops_dump(fwts_framework *fw, fwts_list_link *bug_item, int *oopses) +static void fwts_klog_stack_dump( + fwts_framework *fw, + fwts_list_link *bug_item, + int *oopses, + int *warn_ons) { fwts_list_link *item = bug_item; int lines = 0; int dumpable = 0; + bool dumpstack = false; fwts_list_foreach_continue(item) { char *line = fwts_klog_remove_timestamp(fwts_list_data(char *, item)); if (strstr(line, "Oops:")) dumpable |= FWTS_OOPS_GOT_OOPS; - if (strstr(line, "Stack:")) - dumpable |= FWTS_OOPS_GOT_STACK; + if (strstr(line, "WARNING: at")) + dumpable |= FWTS_OOPS_GOT_WARN_ON; if (strstr(line, "Call Trace:")) dumpable |= FWTS_OOPS_GOT_CALL_TRACE; if (strstr(line, "--[ end trace")) { @@ -60,8 +67,12 @@ void fwts_oops_dump(fwts_framework *fw, fwts_list_link *bug_item, int *oopses) } lines++; - /* We are looking for an Oops message within 5 lines of a "BUG:" */ - if ((lines > 5) && (!(dumpable & FWTS_OOPS_GOT_OOPS))) + /* + * We are looking for an Oops message within 5 lines of a "BUG:" + * or we've got a WARN_ON then, OK, otherwise abort. + */ + if ((lines > 5) && + (!(dumpable & (FWTS_OOPS_GOT_OOPS | FWTS_OOPS_GOT_WARN_ON)))) return; } @@ -73,12 +84,21 @@ void fwts_oops_dump(fwts_framework *fw, fwts_list_link *bug_item, int *oopses) if (item == NULL) return; - /* Found all the features that indicate an oops, so dump it */ - if (dumpable & FWTS_OOPS_DUMPABLE) { + if ((dumpable & FWTS_OOPS_DUMPABLE) == FWTS_OOPS_DUMPABLE) { (*oopses)++; fwts_log_info(fw, "Found OOPS (%d):", *oopses); + dumpstack = true; + } + /* Found all the features that indicate a WARN_ON, so dump it */ + if ((dumpable & FWTS_WARN_ON_DUMPABLE) == FWTS_WARN_ON_DUMPABLE) { + (*warn_ons)++; + fwts_log_info(fw, "Found WARNING (%d):", *warn_ons); + dumpstack = true; + } + + if (dumpstack) { while (bug_item != NULL && bug_item != item) { fwts_log_info_verbatum(fw, " %s", fwts_klog_remove_timestamp(fwts_list_data(char *, bug_item))); @@ -94,17 +114,22 @@ void fwts_oops_dump(fwts_framework *fw, fwts_list_link *bug_item, int *oopses) * messages found is returned in 'oopses'. Oops messages are logged to the * fwts log. */ -int fwts_oops_check(fwts_framework *fw, fwts_list *klog, int *oopses) +int fwts_oops_check(fwts_framework *fw, fwts_list *klog, int *oopses, int *warn_ons) { fwts_list_link *item; *oopses = 0; + *warn_ons = 0; - if ((fw == NULL) || (oopses == NULL) || (klog == NULL)) + /* Sanity check */ + if ((fw == NULL) || (oopses == NULL) || + (warn_ons == NULL) || (klog == NULL)) return FWTS_ERROR; fwts_list_foreach(item, klog) { - if (strncmp("BUG:", fwts_klog_remove_timestamp(fwts_list_data(char *, item)), 4) == 0) - fwts_oops_dump(fw, item, oopses); + char *line = fwts_klog_remove_timestamp(fwts_list_data(char *, item)); + if ((strncmp("BUG:", line, 4) == 0) || + (strncmp("WARNING:", line, 8) == 0)) + fwts_klog_stack_dump(fw, item, oopses, warn_ons); } return FWTS_OK;