[PATCH v3 2/2] powerpc/xmon: Paginate kernel log buffer display
From: Sam Bobroff <hidden>
Date: 2015-10-08 00:51:26
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
The kernel log buffer is often much longer than the size of a terminal so paginate it's output. Signed-off-by: Sam Bobroff <redacted> --- arch/powerpc/xmon/xmon.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
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 */
--
2.1.4