linux-kernel - [PATCH 09/11] RAS/CEC: Dump the different array element sections

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Date:   Thu,  9 May 2019 20:09:24 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Tony Luck <tony.luck@...el.com>
Cc:     linux-edac <linux-edac@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH 09/11] RAS/CEC: Dump the different array element sections

From: Borislav Petkov <bp@...e.de>

When dumping the array elements, print them in the following format:

  [ PFN | generation in binary | count ]

to be perfectly clear what all those sections are.

Signed-off-by: Borislav Petkov <bp@...e.de>
Cc: Tony Luck <tony.luck@...el.com>
Cc: linux-edac <linux-edac@...r.kernel.org>
---
 drivers/ras/cec.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/ras/cec.c b/drivers/ras/cec.c
index 1cbc1ed82afe..71f3e14c35d8 100644
--- a/drivers/ras/cec.c
+++ b/drivers/ras/cec.c
@@ -429,6 +429,8 @@ static int action_threshold_set(void *data, u64 val)
 }
 DEFINE_DEBUGFS_ATTRIBUTE(action_threshold_ops, pfn_get, action_threshold_set, "%lld\n");
 
+static const char * const bins[] = { "00", "01", "10", "11" };
+
 static int array_dump(struct seq_file *m, void *v)
 {
 	struct ce_array *ca = &ce_arr;
@@ -440,7 +442,8 @@ static int array_dump(struct seq_file *m, void *v)
 	for (i = 0; i < ca->n; i++) {
 		u64 this = PFN(ca->array[i]);
 
-		seq_printf(m, " %03d: [%016llx|%03llx]\n", i, this, FULL_COUNT(ca->array[i]));
+		seq_printf(m, " %3d: [%016llx|%s|%03llx]\n",
+			   i, this, bins[DECAY(ca->array[i])], COUNT(ca->array[i]));
 	}
 
 	seq_printf(m, "}\n");
-- 
2.21.0