Author: Armin Rigo <[email protected]>
Branch: vmprof
Changeset: r76704:6fd836a1af7b
Date: 2015-04-03 19:17 +0200
http://bitbucket.org/pypy/pypy/changeset/6fd836a1af7b/
Log: API change: _vmprof.enable() second argument is now measured in
seconds, given as a float, as customary in Python
diff --git a/pypy/module/_vmprof/interp_vmprof.py
b/pypy/module/_vmprof/interp_vmprof.py
--- a/pypy/module/_vmprof/interp_vmprof.py
+++ b/pypy/module/_vmprof/interp_vmprof.py
@@ -134,12 +134,12 @@
self.fileno = -1
self.current_codes = []
- def enable(self, space, fileno, period):
+ def enable(self, space, fileno, period_usec):
if self.is_enabled:
raise oefmt(space.w_ValueError, "_vmprof already enabled")
self.fileno = fileno
self.is_enabled = True
- self.write_header(fileno, period)
+ self.write_header(fileno, period_usec)
if not self.ever_enabled:
if we_are_translated():
pypy_vmprof_init()
@@ -148,7 +148,7 @@
space.register_code_callback(vmprof_register_code)
if we_are_translated():
# does not work untranslated
- res = vmprof_enable(fileno, period, 0,
+ res = vmprof_enable(fileno, period_usec, 0,
lltype.nullptr(rffi.CCHARP.TO), 0)
else:
res = 0
@@ -161,11 +161,8 @@
for code in all_code_objs:
self.register_code(space, code)
- def write_header(self, fileno, period):
- if period == -1:
- period_usec = 1000000 / 100 # 100hz
- else:
- period_usec = period
+ def write_header(self, fileno, period_usec):
+ assert period_usec > 0
b = StringBuilder()
write_long_to_string_builder(0, b)
write_long_to_string_builder(3, b)
@@ -217,13 +214,22 @@
mod_vmprof = space.getbuiltinmodule('_vmprof')
assert isinstance(mod_vmprof, Module)
mod_vmprof.vmprof.register_code(space, code)
-
-@unwrap_spec(fileno=int, period=int)
-def enable(space, fileno, period=-1):
+
+@unwrap_spec(fileno=int, period=float)
+def enable(space, fileno, period=0.01): # default 100 Hz
from pypy.module._vmprof import Module
mod_vmprof = space.getbuiltinmodule('_vmprof')
assert isinstance(mod_vmprof, Module)
- mod_vmprof.vmprof.enable(space, fileno, period)
+ #
+ try:
+ period_usec = int(period * 1000000.0 + 0.5)
+ if period_usec <= 0:
+ raise ValueError
+ except (ValueError, OverflowError):
+ raise OperationError(self.w_ValueError,
+ self.wrap("'period' too large or non positive"))
+ #
+ mod_vmprof.vmprof.enable(space, fileno, period_usec)
def disable(space):
from pypy.module._vmprof import Module
diff --git a/pypy/module/_vmprof/src/vmprof.c b/pypy/module/_vmprof/src/vmprof.c
--- a/pypy/module/_vmprof/src/vmprof.c
+++ b/pypy/module/_vmprof/src/vmprof.c
@@ -65,6 +65,7 @@
}
static void prof_header(long period_usec) {
+ // XXX never used here?
prof_word(0);
prof_word(3);
prof_word(0);
@@ -351,8 +352,7 @@
int vmprof_enable(int fd, long period_usec, int write_header, char *s,
int slen)
{
- if (period_usec == -1)
- period_usec = 1000000 / 100; /* 100hz */
+ assert(period_usec > 0);
if (open_profile(fd, period_usec, write_header, s, slen) == -1) {
return -1;
}
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