Commit 0c23a88c authored by Sam bobroff's avatar Sam bobroff Committed by Michael Ellerman
Browse files

powerpc/xmon: Paginate kernel log buffer display 



The kernel log buffer is often much longer than the size of a terminal
so paginate it's output.

Signed-off-by: default avatarSam Bobroff <sam.bobroff@au1.ibm.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent 958b7c80

arch/powerpc/xmon/xmon.c

+3 −3
Original line number Diff line number Diff line
@@ -242,9 +242,7 @@ Commands:\n\ 
"  u	dump TLB\n"

#endif

"  ?	help\n"

#ifdef CONFIG_PPC64

"  # n	limit output to n lines per page (dump paca only)\n"

#endif

"  # n	limit output to n 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 */