def find_emap():
"""Search and read a perfmon event map.
When the EVENTMAP environment variable is set read that, otherwise
read the map for the current CPU. EVENTMAP can be a CPU specifier
in the map file or a path name.
Dito for the OFFCORE environment variable.
Return an emap object that contains the events and can be queried
or None if nothing is found or the current CPU is unknown."""
el = os.getenv("EVENTMAP")
if el and el.find("/") >= 0:
try:
emap = EmapNativeJSON(el)
oc = os.getenv("OFFCORE")
if oc:
emap.add_offcore(oc)
return emap
except IOError:
return None
if not el:
el = event_download.get_cpustr()
try:
if not force_download:
emap = json_with_offcore(el, True)
if emap:
return emap
except IOError:
pass
try:
event_download.download(el, ["core", "offcore"])
return json_with_offcore(el, False)
except IOError:
pass
return None
def find_emap():
"""Search and read a perfmon event map.
When the EVENTMAP environment variable is set read that, otherwise
read the map for the current CPU.
Return an emap object that contains the events and can be queried
or None if nothing is found or the current CPU is unknown."""
el = os.getenv("EVENTMAP")
if el and el.find("/") >= 0:
try:
return EmapNativeJSON(el)
except IOError:
return None
if not el:
el = event_download.get_cpustr()
try:
emap = EmapNativeJSON(event_download.eventlist_name(el))
if emap:
return emap
except IOError:
pass
try:
event_download.download(el)
return EmapNativeJSON(event_download.eventlist_name(el))
except IOError:
pass
return None
def find_emap():
"""Search and read a perfmon event map.
When the EVENTMAP environment variable is set read that, otherwise
read the map for the current CPU. EVENTMAP can be a CPU specifier
in the map file or a path name.
Dito for the OFFCORE environment variable.
Return an emap object that contains the events and can be queried
or None if nothing is found or the current CPU is unknown."""
el = os.getenv("EVENTMAP")
if el and el.find("/") >= 0:
try:
emap = EmapNativeJSON(el)
oc = os.getenv("OFFCORE")
if oc:
emap.add_offcore(oc)
return emap
except IOError:
return None
if not el:
el = event_download.get_cpustr()
try:
if not force_download:
emap = json_with_offcore(el, True)
if emap:
return emap
except IOError:
pass
try:
event_download.download(el, ["core", "offcore"])
return json_with_offcore(el, False)
except IOError:
pass
return None
def find_emap():
"""Search and read a perfmon event map.
When the EVENTMAP environment variable is set read that, otherwise
read the map for the current CPU. EVENTMAP can be a CPU specifier
in the map file or a path name.
Dito for the OFFCORE and UNCORE environment variables.
Return an emap object that contains the events and can be queried
or None if nothing is found or the current CPU is unknown."""
el = os.getenv("EVENTMAP")
if not el:
el = event_download.get_cpustr()
el = canon_emapvar(el, "core")
if "/" in el:
try:
emap = EmapNativeJSON(el)
if not emap or emap.error:
return None
add_extra_env(emap, el)
return emap
except IOError:
return None
try:
if not force_download:
emap = json_with_extra(el)
if emap:
add_extra_env(emap, el)
return emap
except IOError:
pass
try:
toget = ["core"]
if not os.getenv("OFFCORE"):
toget.append("offcore")
if not os.getenv("UNCORE"):
toget.append("uncore")
if experimental:
toget += [x + " experimental" for x in toget]
event_download.download(el, toget)
emap = json_with_extra(el)
if emap:
add_extra_env(emap, el)
return emap
except IOError:
pass
return None
def find_emap():
"""Search and read a perfmon event map.
When the EVENTMAP environment variable is set read that, otherwise
read the map for the current CPU. EVENTMAP can be a CPU specifier
in the map file or a path name.
Dito for the OFFCORE and UNCORE environment variables.
Return an emap object that contains the events and can be queried
or None if nothing is found or the current CPU is unknown."""
el = os.getenv("EVENTMAP")
if not el:
el = event_download.get_cpustr()
if el.find("/") >= 0:
try:
emap = EmapNativeJSON(el)
if emap:
add_extra_env(emap, el)
return emap
except IOError:
return None
try:
if not force_download:
emap = json_with_extra(el)
if emap:
return emap
except IOError:
pass
try:
toget = ["core"]
if not os.getenv("OFFCORE"):
toget.append("offcore")
if not os.getenv("UNCORE"):
toget.append("uncore")
if not os.getenv("UNCORE"):
toget.append("uncore")
event_download.download(el, toget)
return json_with_extra(el)
except IOError:
pass
return None
