Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

tools/profile: Add additional information to backtrace for -v option #5109

Open
wants to merge 1 commit into
base: master
Choose a base branch
from
Open

tools/profile: Add additional information to backtrace for -v option #5109

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
14 changes: 12 additions & 2 deletions tools/profile.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,7 @@
from __future__ import print_function
from bcc import BPF, PerfType, PerfSWConfig
from bcc.containers import filter_by_containers
from bcc.utils import printb
from sys import stderr
from time import sleep
import argparse
Expand Down Expand Up @@ -130,6 +131,8 @@ def stack_id_err(stack_id):
help="trace cgroups in this BPF map only")
parser.add_argument("--mntnsmap",
help="trace mount namespaces in this BPF map only")
parser.add_argument("-v", "--verbose", action="store_true",
help="show raw addresses")

# option logic
args = parser.parse_args()
Expand Down Expand Up @@ -393,15 +396,22 @@ def aksym(addr):
print(" [Missed Kernel Stack]")
else:
for addr in kernel_stack:
print(" %s" % aksym(addr).decode('utf-8', 'replace'))
if args.verbose:
printb(b" 0x%-16x %s" % (addr, b.ksym(addr, show_offset=True)))
else:
print(" %s" % aksym(addr).decode('utf-8', 'replace'))

if not args.kernel_stacks_only:
if need_delimiter and k.user_stack_id >= 0 and k.kernel_stack_id >= 0:
print(" --")
if stack_id_err(k.user_stack_id):
print(" [Missed User Stack]")
else:
for addr in user_stack:
print(" %s" % b.sym(addr, k.pid).decode('utf-8', 'replace'))
if args.verbose:
printb(b" 0x%016x %s" % (addr, b.sym(addr, k.pid, True, True)))
else:
print(" %s" % b.sym(addr, k.pid).decode('utf-8', 'replace'))
print(" %-16s %s (%d)" % ("-", k.name.decode('utf-8', 'replace'), k.pid))
print(" %d\n" % v.value)

Expand Down
Loading