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35 """ |
35 """ |
36 |
36 |
37 if _apphosting_runtime___python__apiproxy: |
37 if _apphosting_runtime___python__apiproxy: |
38 return _apphosting_runtime___python__apiproxy.get_request_cpu_usage() |
38 return _apphosting_runtime___python__apiproxy.get_request_cpu_usage() |
39 return 0 |
39 return 0 |
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40 |
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41 def get_request_api_cpu_usage(): |
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42 """Get the amount of CPU used so far by API calls during the current request. |
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43 |
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44 Returns the number of megacycles used so far by API calls for the current |
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45 request. Does not include CPU used by code in the request itself. |
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46 |
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47 Does nothing when used in the dev_appserver. |
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48 """ |
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49 |
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50 if _apphosting_runtime___python__apiproxy: |
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51 return _apphosting_runtime___python__apiproxy.get_request_api_cpu_usage() |
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52 return 0 |
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53 |
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54 MCYCLES_PER_SECOND = 1200.0 |
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55 """Megacycles to CPU seconds. Convert by using a 1.2 GHz 64-bit x86 CPU.""" |
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56 |
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57 def megacycles_to_cpu_seconds(mcycles): |
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58 """Convert an input value in megacycles to CPU-seconds. |
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59 |
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60 Returns a double representing the CPU-seconds the input megacycle value |
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61 converts to. |
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62 """ |
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63 return mcycles / MCYCLES_PER_SECOND |
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64 |
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65 def cpu_seconds_to_megacycles(cpu_secs): |
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66 """Convert an input value in CPU-seconds to megacycles. |
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67 |
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68 Returns an integer representing the megacycles the input CPU-seconds value |
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69 converts to. |
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70 """ |
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71 return int(cpu_secs * MCYCLES_PER_SECOND) |