From: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
To: linux-btrace@vger.kernel.org
Subject: [RFC PATCH 29/38] blktrace: link blk_log_xxx() to trace action
Date: Tue, 26 Jan 2021 23:33:51 +0000 [thread overview]
Message-ID: <20210126233400.31259-30-chaitanya.kulkarni@wdc.com> (raw)
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
---
kernel/trace/blktrace.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index 095656939fc4..aa5159a59b2a 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -2305,6 +2305,28 @@ static const struct {
[__BLK_TA_REMAP] = {{ "A", "remap" }, blk_log_remap },
};
+static const struct {
+ const char *act[2];
+ void (*print)(struct trace_seq *s, const struct trace_entry *ent,
+ bool has_cg);
+} what2act_ext[] = {
+ [__BLK_TA_QUEUE] = {{ "Q", "queue" }, blk_log_generic_ext },
+ [__BLK_TA_BACKMERGE] = {{ "M", "backmerge" }, blk_log_generic_ext },
+ [__BLK_TA_FRONTMERGE] = {{ "F", "frontmerge" }, blk_log_generic_ext },
+ [__BLK_TA_GETRQ] = {{ "G", "getrq" }, blk_log_generic_ext },
+ [__BLK_TA_SLEEPRQ] = {{ "S", "sleeprq" }, blk_log_generic_ext },
+ [__BLK_TA_REQUEUE] = {{ "R", "requeue" }, blk_log_with_error_ext },
+ [__BLK_TA_ISSUE] = {{ "D", "issue" }, blk_log_generic_ext },
+ [__BLK_TA_COMPLETE] = {{ "C", "complete" }, blk_log_with_error_ext },
+ [__BLK_TA_PLUG] = {{ "P", "plug" }, blk_log_plug },
+ [__BLK_TA_UNPLUG_IO] = {{ "U", "unplug_io" }, blk_log_unplug_ext },
+ [__BLK_TA_UNPLUG_TIMER] = {{ "UT", "unplug_timer" }, blk_log_unplug_ext},
+ [__BLK_TA_INSERT] = {{ "I", "insert" }, blk_log_generic_ext},
+ [__BLK_TA_SPLIT] = {{ "X", "split" }, blk_log_split_ext },
+ [__BLK_TA_BOUNCE] = {{ "B", "bounce" }, blk_log_generic_ext },
+ [__BLK_TA_REMAP] = {{ "A", "remap" }, blk_log_remap_ext },
+};
+
static enum print_line_t print_one_line(struct trace_iterator *iter,
bool classic)
{
--
2.22.1
reply other threads:[~2021-01-26 23:33 UTC|newest]
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