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Commit fd741edc authored by Ingo Molnar's avatar Ingo Molnar
Browse files

Merge tag 'perf-urgent-for-mingo' of... 

Merge tag 'perf-urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf

 into perf/urgent

Pull perf/urgent fixes from Jiri Olsa:

User visible changes:

  * Adjust symbols in VDSO to properly resolve its function names (Vladimir Nikulichev)

  * Improve error reporting for record session failure (Adrien BAK)

  * Fix 'Min time' counting in report command (Alexander Yarygin)

Signed-off-by: default avatarJiri Olsa <jolsa@redhat.com>
Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
parents 24223657 ffa91880

tools/perf/builtin-kvm.c

+1 −0
Original line number Diff line number Diff line
@@ -404,6 +404,7 @@ static struct kvm_event *kvm_alloc_init_event(struct event_key *key) 
	}



	event->key = *key;

	init_stats(&event->total.stats);

	return event;

}

tools/perf/builtin-record.c

+1 −1
Original line number Diff line number Diff line
@@ -374,7 +374,7 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) 


	session = perf_session__new(file, false, NULL);

	if (session == NULL) {

		pr_err("Not enough memory for reading perf file header\n");

		pr_err("Perf session creation failed.\n");

		return -1;

	}

tools/perf/util/data.c

+8 −1
Original line number Diff line number Diff line
@@ -86,10 +86,17 @@ static int open_file_read(struct perf_data_file *file) 


static int open_file_write(struct perf_data_file *file)

{

	int fd;



	if (check_backup(file))

		return -1;



	return open(file->path, O_CREAT|O_RDWR|O_TRUNC, S_IRUSR|S_IWUSR);

	fd = open(file->path, O_CREAT|O_RDWR|O_TRUNC, S_IRUSR|S_IWUSR);



	if (fd < 0)

		pr_err("failed to open %s : %s\n", file->path, strerror(errno));



	return fd;

}



static int open_file(struct perf_data_file *file)

tools/perf/util/symbol-elf.c

+2 −0
Original line number Diff line number Diff line
@@ -6,6 +6,7 @@ 
#include <inttypes.h>



#include "symbol.h"

#include "vdso.h"

#include <symbol/kallsyms.h>

#include "debug.h"
@@ -618,6 +619,7 @@ int symsrc__init(struct symsrc *ss, struct dso *dso, const char *name, 
		GElf_Shdr shdr;

		ss->adjust_symbols = (ehdr.e_type == ET_EXEC ||

				ehdr.e_type == ET_REL ||

				is_vdso_map(dso->short_name) ||

				elf_section_by_name(elf, &ehdr, &shdr,

						     ".gnu.prelink_undo",

						     NULL) != NULL);