diff mbox

[v3,2/2] powerpc/xmon: Paginate kernel log buffer display

Message ID aa70d3c5f38c2e4fa7be78bb926f0aa5e1b8bbcb.1444265419.git.sam.bobroff@au1.ibm.com (mailing list archive)
State Accepted
Headers show

Commit Message

Sam Bobroff Oct. 8, 2015, 12:50 a.m. UTC 
The kernel log buffer is often much longer than the size of a terminal
so paginate it's output.

Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com>
---
 arch/powerpc/xmon/xmon.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
diff mbox

Patch

diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
index cc070c3..8ba8ea7 100644
--- a/arch/powerpc/xmon/xmon.c
+++ b/arch/powerpc/xmon/xmon.c
@@ -242,9 +242,7 @@  Commands:\n\
 "  u	dump TLB\n"
 #endif
 "  ?	help\n"
-#ifdef CONFIG_PPC64
-"  .#	limit output to # lines per page (dump paca only)\n"
-#endif
+"  .#	limit output to # lines per page (for dp#, dpa, dl)\n"
 "  zr	reboot\n\
   zh	halt\n"
 ;
@@ -2333,10 +2331,12 @@  dump_log_buf(void)
 	sync();
 
 	kmsg_dump_rewind_nolock(&dumper);
+	xmon_start_pagination();
 	while (kmsg_dump_get_line_nolock(&dumper, false, buf, sizeof(buf), &len)) {
 		buf[len] = '\0';
 		printf("%s", buf);
 	}
+	xmon_end_pagination();
 
 	sync();
 	/* wait a little while to see if we get a machine check */