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Message-Id: <20240703143738.2007457-5-luke.parkin@arm.com>
Date: Wed, 3 Jul 2024 15:37:38 +0100
From: Luke Parkin <luke.parkin@....com>
To: linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
arm-scmi@...r.kernel.org
Cc: sudeep.holla@....com,
cristian.marussi@....com,
Luke Parkin <luke.parkin@....com>
Subject: [PATCH v2 4/4] firmware: arm_scmi: Create debugfs files for statistics
Create debugfs files for the statistics in the scmi_debug_stats struct
Signed-off-by: Luke Parkin <luke.parkin@....com>
v1->v2
Only create stats pointer if stats are enabled
Move stats debugfs creation into a seperate helper function
---
drivers/firmware/arm_scmi/driver.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c
index 937546397cf2..10cd9a319ffb 100644
--- a/drivers/firmware/arm_scmi/driver.c
+++ b/drivers/firmware/arm_scmi/driver.c
@@ -2858,6 +2858,24 @@ static int scmi_device_request_notifier(struct notifier_block *nb,
return NOTIFY_OK;
}
+static void scmi_debugfs_stats_setup(struct scmi_info *info,
+ struct dentry *trans)
+{
+ struct dentry *stats;
+
+ stats = debugfs_create_dir("stats", trans);
+ debugfs_create_atomic_t("response_ok", 0400, stats,
+ &info->stats.response_ok);
+ debugfs_create_atomic_t("dlyd_response_ok", 0400, stats,
+ &info->stats.dlyd_response_ok);
+ debugfs_create_atomic_t("sent_ok", 0400, stats,
+ &info->stats.sent_ok);
+ debugfs_create_atomic_t("sent_fail", 0400, stats,
+ &info->stats.sent_fail);
+ debugfs_create_atomic_t("xfers_response_timeout", 0400, stats,
+ &info->stats.xfers_response_timeout);
+}
+
static void scmi_debugfs_common_cleanup(void *d)
{
struct scmi_debug_info *dbg = d;
@@ -2924,6 +2942,9 @@ static struct scmi_debug_info *scmi_debugfs_common_setup(struct scmi_info *info)
debugfs_create_u32("rx_max_msg", 0400, trans,
(u32 *)&info->rx_minfo.max_msg);
+ if (IS_ENABLED(CONFIG_ARM_SCMI_DEBUG_STATISTICS))
+ scmi_debugfs_stats_setup(info, trans);
+
dbg->top_dentry = top_dentry;
if (devm_add_action_or_reset(info->dev,
--
2.34.1
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