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collectd: add percent calculation of bad block to ubi plugin 

This patche adds the percent evaluation for the bad blocks.

Signed-off-by: Florian Eckert <fe@dev.tdt.de>
This commit is contained in:
Florian Eckert 2021-03-11 16:49:50 +01:00
parent 4927b53333
commit b4e24c12a6
1 changed files with 56 additions and 0 deletions
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56
utils/collectd/patches/935-ubi-add-percent.patch Normal file
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@ -0,0 +1,56 @@
--- a/src/ubi.c
+++ b/src/ubi.c
@@ -35,6 +35,9 @@
#define DEV_BAD_COUNT \
"bad_peb_count" // Count of bad physical eraseblocks on the underlying MTD
// device.
+// Value reserved for bad block
+#define DEV_RESERVED_BAD_BLOCK "reserved_for_bad"
+
#define MAXIMUM_ERASE "max_ec" // Current maximum erase counter value
/*
@@ -140,6 +143,35 @@ static inline int ubi_read_max_ec(const
return 0;
} /* int ubi_read_max_ec */
+static inline int ubi_read_percent(const char *dev_name) {
+ int ret;
+ int bcount;
+ int bblock;
+
+ ret = ubi_read_dev_attr(dev_name, DEV_BAD_COUNT, &bcount);
+
+ if (ret != 0) {
+ ERROR(PLUGIN_NAME " : Unable to read bad_peb_count");
+ return -1;
+ }
+
+ ret = ubi_read_dev_attr(dev_name, DEV_RESERVED_BAD_BLOCK, &bblock);
+
+ if (ret != 0) {
+ ERROR(PLUGIN_NAME " : Unable to read reserved_for_bad");
+ return -1;
+ }
+
+ if (bblock == 0) {
+ ERROR(PLUGIN_NAME " : Percentage value cannot be determined (reserved_for_bad = 0)");
+ return -2;
+ }
+
+ ubi_submit(dev_name, "percent", (gauge_t)((float_t)bcount / (float_t)bblock * 100.0));
+
+ return 0;
+} /* int ubi_read_percent */
+
static int ubi_read(void) {
DIR *dir;
struct dirent *dirent;
@@ -155,6 +187,7 @@ static int ubi_read(void) {
ubi_read_dev_bad_count(dirent->d_name);
ubi_read_max_ec(dirent->d_name);
+ ubi_read_percent(dirent->d_name);
}
closedir(dir);