comparison mercurial/profiling.py @ 51880:3785814bc2b7

branching: merge with stable

51879:3b8d92f71d92

import contextlib
import os
import signal
import subprocess

from .i18n import _
from .pycompat import (
    open,
)

                b'lsprof not available - install from '
                b'http://codespeak.net/svn/user/arigo/hack/misc/lsprof/'
            )
        )
    p = lsprof.Profiler()
    p.enable(subcalls=True)
    try:
        yield
    finally:
        p.disable()

51880:3785814bc2b7

import contextlib
import os
import signal
import subprocess
import sys

from .i18n import _
from .pycompat import (
    open,
)

                b'lsprof not available - install from '
                b'http://codespeak.net/svn/user/arigo/hack/misc/lsprof/'
            )
        )
    p = lsprof.Profiler()
    try:
        p.enable(subcalls=True)
    except ValueError as exc:
        if str(exc) != "Another profiling tool is already active":
            raise
        if not hasattr(sys, "monitoring"):
            raise
        # python >=3.12 prevent more than one profiler to run at the same
        # time, tries to improve the report to help the user understand
        # what is going on.
        other_tool_name = sys.monitoring.get_tool(sys.monitoring.PROFILER_ID)
        if other_tool_name == "cProfile":
            msg = 'cannot recursively call `lsprof`'
            raise error.Abort(msg) from None
        else:
            m = 'failed to start "lsprofile"; another profiler already running: %s'
            raise error.Abort(_(m) % other_tool_name) from None
    try:
        yield
    finally:
        p.disable()