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annotate mod_log_events_by_cpu_usage/mod_log_events_by_cpu_usage.lua @ 5468:14b5446e22e1

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mod_http_oauth2: Fix returning errors from response handlers This would either redirect the user back to the client along with the error code, or show the error HTML template. Previously this would just show some JSON to the user.
author Kim Alvefur <zash@zash.se>
date Thu, 18 May 2023 12:57:23 +0200
parents c0bc97c0ba61
children
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5fe34e5f9829 mod_log_events_by_memory: Log events where Lua memory usage increased
Kim Alvefur <zash@zash.se>
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1 module:set_global();
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2
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c0bc97c0ba61 mod_log_events_by_cpu_usage: Log events where more than a certain amount of CPU time was spent
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3 local treshold = module:get_option_number("log_cpu_threshold", 0.01);
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4
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5 function event_wrapper(handlers, event_name, event_data)
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c0bc97c0ba61 mod_log_events_by_cpu_usage: Log events where more than a certain amount of CPU time was spent
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6 local cpu_before = os.clock();
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7 local ret = handlers(event_name, event_data);
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c0bc97c0ba61 mod_log_events_by_cpu_usage: Log events where more than a certain amount of CPU time was spent
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8 local cpu_after = os.clock();
c0bc97c0ba61 mod_log_events_by_cpu_usage: Log events where more than a certain amount of CPU time was spent
Kim Alvefur <zash@zash.se>
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9 if (cpu_after - cpu_before) > treshold then
c0bc97c0ba61 mod_log_events_by_cpu_usage: Log events where more than a certain amount of CPU time was spent
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10 module:log("warn", "%g seconds of CPU usage while processing event '%s'", (cpu_after - cpu_before), event_name);
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11 end
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12 return ret;
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13 end
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14
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15 local http_events = require "net.http.server"._events;
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16 module:wrap_object_event(http_events, false, event_wrapper);
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17
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18 module:wrap_event(false, event_wrapper);
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19 function module.add_host(module)
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20 module:wrap_event(false, event_wrapper);
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21 end