Author: stevek Date: Mon Oct 17 22:57:41 2016 New Revision: 307540 URL: https://svnweb.freebsd.org/changeset/base/307540
Log: Add sysctl to make amd64 minidump retry count tunable at runtime. PR: 213462 Submitted by: RaviPrakash Darbha <rdar...@juniper.net> Reviewed by: cemi, markj Approved by: sjg (mentor) Obtained from: Juniper Networks Differential Revision: https://reviews.freebsd.org/D8254 Modified: head/sys/amd64/amd64/minidump_machdep.c Modified: head/sys/amd64/amd64/minidump_machdep.c ============================================================================== --- head/sys/amd64/amd64/minidump_machdep.c Mon Oct 17 22:48:29 2016 (r307539) +++ head/sys/amd64/amd64/minidump_machdep.c Mon Oct 17 22:57:41 2016 (r307540) @@ -37,6 +37,7 @@ __FBSDID("$FreeBSD$"); #include <sys/kernel.h> #include <sys/kerneldump.h> #include <sys/msgbuf.h> +#include <sys/sysctl.h> #include <sys/watchdog.h> #include <vm/vm.h> #include <vm/vm_param.h> @@ -68,6 +69,9 @@ static void *dump_va; static size_t counter, progress, dumpsize; CTASSERT(sizeof(*vm_page_dump) == 8); +static int dump_retry_count = 5; +SYSCTL_INT(_machdep, OID_AUTO, dump_retry_count, CTLFLAG_RWTUN, + &dump_retry_count, 0, "Number of times dump has to retry before bailing out"); static int is_dumpable(vm_paddr_t pa) @@ -447,7 +451,7 @@ minidumpsys(struct dumperinfo *di) printf("\n"); if (error == ENOSPC) { printf("Dump map grown while dumping. "); - if (retry_count < 5) { + if (retry_count < dump_retry_count) { printf("Retrying...\n"); goto retry; } _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
