[CRIU] [RFC PATCH v2 17/23] page-read: add PID for some debug printouts

Mike Rapoport rppt at linux.vnet.ibm.com
Mon Feb 6 03:44:10 PST 2017


Replace "pr<id>" with "pr<pid>-<id>" when printing information about a
particular page-read.

Signed-off-by: Mike Rapoport <rppt at linux.vnet.ibm.com>
---
 criu/pagemap.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/criu/pagemap.c b/criu/pagemap.c
index a34bb2e..033aa0b 100644
--- a/criu/pagemap.c
+++ b/criu/pagemap.c
@@ -51,8 +51,8 @@ static int punch_hole(struct page_read *pr, unsigned long off,
 	struct iovec * bunch = &pr->bunch;
 
 	if (!cleanup && can_extend_bunch(bunch, off, len)) {
-		pr_debug("pr%d:Extend bunch len from %zu to %lu\n", pr->id,
-			 bunch->iov_len, bunch->iov_len + len);
+		pr_debug("pr%d-%d:Extend bunch len from %zu to %lu\n", pr->pid,
+			 pr->id, bunch->iov_len, bunch->iov_len + len);
 		bunch->iov_len += len;
 	} else {
 		if (bunch->iov_len > 0) {
@@ -66,7 +66,7 @@ static int punch_hole(struct page_read *pr, unsigned long off,
 		}
 		bunch->iov_base = (void *)off;
 		bunch->iov_len = len;
-		pr_debug("pr%d:New bunch/%p/%zu/\n", pr->id, bunch->iov_base, bunch->iov_len);
+		pr_debug("pr%d-%d:New bunch/%p/%zu/\n", pr->pid, pr->id, bunch->iov_base, bunch->iov_len);
 	}
 	return 0;
 }
@@ -210,7 +210,7 @@ static int read_parent_page(struct page_read *pr, unsigned long vaddr,
 	do {
 		int p_nr;
 
-		pr_debug("\tpr%u Read from parent\n", pr->id);
+		pr_debug("\tpr%d-%u Read from parent\n", pr->pid, pr->id);
 		ret = seek_pagemap_page(ppr, vaddr);
 		if (ret <= 0) {
 			pr_err("Missing %lx in parent pagemap\n", vaddr);
@@ -257,7 +257,7 @@ static int read_local_page(struct page_read *pr, unsigned long vaddr,
 	if (pr->sync(pr))
 		return -1;
 
-	pr_debug("\tpr%u Read page from self %lx/%"PRIx64"\n", pr->id, pr->cvaddr, pr->pi_off);
+	pr_debug("\tpr%d-%u Read page from self %lx/%"PRIx64"\n", pr->pid, pr->id, pr->cvaddr, pr->pi_off);
 	ret = pread(fd, buf, len, pr->pi_off);
 	if (ret != len) {
 		pr_perror("Can't read mapping page %d", ret);
@@ -427,7 +427,7 @@ static int maybe_read_page_remote(struct page_read *pr, unsigned long vaddr,
 static int read_pagemap_page(struct page_read *pr, unsigned long vaddr, int nr,
 			     void *buf, unsigned flags)
 {
-	pr_info("pr%u Read %lx %u pages\n", pr->id, vaddr, nr);
+	pr_info("pr%d-%u Read %lx %u pages\n", pr->pid, pr->id, vaddr, nr);
 	pagemap_bound_check(pr->pe, vaddr, nr);
 
 	if (pagemap_in_parent(pr->pe)) {
-- 
1.9.1



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