Fill a buffer with debug info for the swapwriter.
Signed-off-by: Nigel Cunningham <[email protected]>
kernel/power/suspend_swap.c | 28 ++++++++++++++++++++++++++++
1 files changed, 28 insertions(+), 0 deletions(-)
diff --git a/kernel/power/suspend_swap.c b/kernel/power/suspend_swap.c
index f2940ea..3589b63 100644
--- a/kernel/power/suspend_swap.c
+++ b/kernel/power/suspend_swap.c
@@ -819,3 +819,31 @@ static unsigned long swapwriter_memory_n
return 1;
}
+/* Print debug info
+ *
+ * Description:
+ */
+
+static int swapwriter_print_debug_stats(char *buffer, int size)
+{
+ int len = 0;
+ struct sysinfo sysinfo;
+
+ if (suspend_active_writer != &swapwriterops) {
+ len = snprintf_used(buffer, size, "- Swapwriter inactive.\n");
+ return len;
+ }
+
+ len = snprintf_used(buffer, size, "- Swapwriter active.\n");
+ if (swapfilename[0])
+ len+= snprintf_used(buffer+len, size-len,
+ " Attempting to automatically swapon: %s.\n", swapfilename);
+
+ si_swapinfo(&sysinfo);
+
+ len+= snprintf_used(buffer+len, size-len, " Swap available for image: %ld pages.\n",
+ sysinfo.freeswap + swapwriter_storage_allocated());
+
+ return len;
+}
+
--
Nigel Cunningham nigel at suspend2 dot net
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