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< li class = "toctree-l3" > < a class = "reference internal" href = "#items-to-monitor" > Items to monitor< / a > < / li >
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< span id = "monitor" > < / span > < h1 > monitor< a class = "headerlink" href = "#monitor" title = "Permalink to this headline" > ¶< / a > < / h1 >
< blockquote >
< div > Monitor method invocation.< / div > < / blockquote >
< p > Monitor invocation for the method matched with < code class = "docutils literal notranslate" > < span class = "pre" > class-pattern< / span > < / code > and < code class = "docutils literal notranslate" > < span class = "pre" > method-pattern< / span > < / code > .< / p >
< p > < code class = "docutils literal notranslate" > < span class = "pre" > monitor< / span > < / code > is not a command returning immediately.< / p >
< p > A command returning immediately is a command immediately returns with the result after the command is input, while a non-immediate returning command will keep outputting the information from the target JVM process until user presses < code class = "docutils literal notranslate" > < span class = "pre" > Ctrl+C< / span > < / code > .< / p >
< p > On Arthas’ < / p >
< div class = "section" id = "items-to-monitor" >
< span id = "items-to-monitor" > < / span > < h2 > Items to monitor< a class = "headerlink" href = "#items-to-monitor" title = "Permalink to this headline" > ¶< / a > < / h2 >
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< th align = "right" > Item< / th >
< th align = "left" > Specification< / th >
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< td align = "right" > timestamp< / td >
< td align = "left" > timestamp< / td >
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< tr >
< td align = "right" > class< / td >
< td align = "left" > Java class< / td >
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< tr >
< td align = "right" > method< / td >
< td align = "left" > method (constructor and regular methods)< / td >
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< tr >
< td align = "right" > total< / td >
< td align = "left" > calling times< / td >
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< tr >
< td align = "right" > success< / td >
< td align = "left" > success count< / td >
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< tr >
< td align = "right" > fail< / td >
< td align = "left" > failure count< / td >
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< tr >
< td align = "right" > rt< / td >
< td align = "left" > average RT< / td >
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< td align = "right" > fail-rate< / td >
< td align = "left" > failure ratio< / td >
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< span id = "parameters" > < / span > < h2 > Parameters< a class = "headerlink" href = "#parameters" title = "Permalink to this headline" > ¶< / a > < / h2 >
< p > Parameter < code class = "docutils literal notranslate" > < span class = "pre" > [c:]< / span > < / code > stands for cycles of statistics. Its value is an integer value in seconds.< / p >
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< th align = "right" > Name< / th >
< th align = "left" > Specification< / th >
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< td align = "right" > < em > class-pattern< / em > < / td >
< td align = "left" > pattern for the class name< / td >
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< tr >
< td align = "right" > < em > method-pattern< / em > < / td >
< td align = "left" > pattern for the method name< / td >
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< td align = "right" > < code > [E]< / code > < / td >
< td align = "left" > turn on regex matching while the default is wildcard matching< / td >
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< tr >
< td align = "right" > < code > [c:]< / code > < / td >
< td align = "left" > cycle of statistics, the default value: < code > 120< / code > s< / td >
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< span id = "usage" > < / span > < h2 > Usage< a class = "headerlink" href = "#usage" title = "Permalink to this headline" > ¶< / a > < / h2 >
< div class = "highlight-shell notranslate" > < div class = "highlight" > < pre > < span > < / span > $ monitor -c < span class = "m" > 5< / span > com.alibaba.sample.petstore.web.store.module.screen.ItemList execute
Press Ctrl+C to abort.
Affect< span class = "o" > (< / span > class-cnt:1 , method-cnt:1< span class = "o" > )< / span > cost in < span class = "m" > 36< / span > ms.
timestamp class method total success fail rt fail-rate
-----------------------------------------------------------------------------------------------------------------------------------
< span class = "m" > 2015< / span > -12-17 < span class = "m" > 10< / span > :56:40 com.alibaba.sample.petstore.web.store.module.screen.ItemList execute < span class = "m" > 10< / span > < span class = "m" > 10< / span > < span class = "m" > 0< / span > < span class = "m" > 2< / span > .00 < span class = "m" > 0< / span > .00%
timestamp class method total success fail rt fail-rate
-----------------------------------------------------------------------------------------------------------------------------------
< span class = "m" > 2015< / span > -12-17 < span class = "m" > 10< / span > :56:45 com.alibaba.sample.petstore.web.store.module.screen.ItemList execute < span class = "m" > 11< / span > < span class = "m" > 11< / span > < span class = "m" > 0< / span > < span class = "m" > 2< / span > .18 < span class = "m" > 0< / span > .00%
timestamp class method total success fail rt fail-rate
-----------------------------------------------------------------------------------------------------------------------------------
< span class = "m" > 2015< / span > -12-17 < span class = "m" > 10< / span > :56:50 com.alibaba.sample.petstore.web.store.module.screen.ItemList execute < span class = "m" > 0< / span > < span class = "m" > 0< / span > < span class = "m" > 0< / span > < span class = "m" > 0< / span > .00 < span class = "m" > 0< / span > .00%
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