@ -8,7 +8,7 @@
< meta name = "viewport" content = "width=device-width, initial-scale=1.0" >
< title > monitor — Arthas 3.3.9 documentation< / title >
< title > monitor — Arthas 3.4.0 documentation< / title >
@ -73,7 +73,7 @@
< div class = "version" >
3.3.9
3.4.0
< / div >
@ -127,7 +127,11 @@
< li class = "toctree-l2 current" > < a class = "current reference internal" href = "#" > monitor< / a > < ul >
< li class = "toctree-l3" > < a class = "reference internal" href = "#items-to-monitor" > Items to monitor< / a > < / li >
< li class = "toctree-l3" > < a class = "reference internal" href = "#parameters" > Parameters< / a > < / li >
< li class = "toctree-l3" > < a class = "reference internal" href = "#usage" > Usage< / a > < / li >
< li class = "toctree-l3" > < a class = "reference internal" href = "#usage" > Usage< / a > < ul >
< li class = "toctree-l4" > < a class = "reference internal" href = "#evaluate-condition-express-to-filter-method-after-method-call" > Evaluate condition-express to filter method (after method call)< / a > < / li >
< li class = "toctree-l4" > < a class = "reference internal" href = "#evaluate-condition-express-to-filter-method-before-method-call" > Evaluate condition-express to filter method (before method call)< / a > < / li >
< / ul >
< / li >
< / ul >
< / li >
< li class = "toctree-l2" > < a class = "reference internal" href = "watch.html" > watch< / a > < / li >
@ -229,7 +233,7 @@
< blockquote >
< div > < p > Monitor method invocation.< / p >
< / 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 > 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 > and filter by < code class = "docutils literal notranslate" > < span class = "pre" > condition-expression< / 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 >
@ -297,6 +301,10 @@
< td align = "left" > pattern for the method name< / td >
< / tr >
< tr >
< td align = "right" > < em > condition-expression< / em > < / td >
< td align = "left" > condition expression for filtering method calls< / td >
< / tr >
< tr >
< td align = "right" > < code > [E]< / code > < / td >
< td align = "left" > turn on regex matching while the default is wildcard matching< / td >
< / tr >
@ -304,6 +312,10 @@
< td align = "right" > < code > [c:]< / code > < / td >
< td align = "left" > cycle of statistics, the default value: < code > 120< / code > s< / td >
< / tr >
< tr >
< td align = "right" > < code > [b]< / code > < / td >
< td align = "left" > evaluate the condition-expression before method invoke< / td >
< / tr >
< / tbody >
< / table > < / div >
< div class = "section" id = "usage" >
@ -335,6 +347,58 @@ Affect(class-cnt:1 , method-cnt:1) cost in 94 ms.
-----------------------------------------------------------------------------------------------
2018-12-03 19:07:03 demo.MathGame primeFactors 2 2 0 3182.72 0.00%< / pre > < / div >
< / div >
< div class = "section" id = "evaluate-condition-express-to-filter-method-after-method-call" >
< h3 > Evaluate condition-express to filter method (after method call)< a class = "headerlink" href = "#evaluate-condition-express-to-filter-method-after-method-call" title = "Permalink to this headline" > ¶< / a > < / h3 >
< div class = "highlight-bash notranslate" > < div class = "highlight hljs" > < pre class = "bash" > monitor -c 5 demo.MathGame primeFactors " params[0] < = 2"
Press Q or Ctrl+C to abort.
Affect(class count: 1 , method count: 1) cost in 19 ms, listenerId: 5
timestamp class method total success fail avg-rt(ms) fail-rate
-----------------------------------------------------------------------------------------------
2020-09-02 09:42:36 demo.MathGame primeFactors 5 3 2 0.09 40.00%
timestamp class method total success fail avg-rt(ms) fail-rate
----------------------------------------------------------------------------------------------
2020-09-02 09:42:41 demo.MathGame primeFactors 5 2 3 0.11 60.00%
timestamp class method total success fail avg-rt(ms) fail-rate
----------------------------------------------------------------------------------------------
2020-09-02 09:42:46 demo.MathGame primeFactors 5 1 4 0.06 80.00%
timestamp class method total success fail avg-rt(ms) fail-rate
----------------------------------------------------------------------------------------------
2020-09-02 09:42:51 demo.MathGame primeFactors 5 1 4 0.12 80.00%
timestamp class method total success fail avg-rt(ms) fail-rate
----------------------------------------------------------------------------------------------
2020-09-02 09:42:56 demo.MathGame primeFactors 5 3 2 0.15 40.00% < / pre > < / div >
< / div >
< / div >
< div class = "section" id = "evaluate-condition-express-to-filter-method-before-method-call" >
< h3 > Evaluate condition-express to filter method (before method call)< a class = "headerlink" href = "#evaluate-condition-express-to-filter-method-before-method-call" title = "Permalink to this headline" > ¶< / a > < / h3 >
< div class = "highlight-bash notranslate" > < div class = "highlight hljs" > < pre class = "bash" > monitor -b -c 5 com.test.testes.MathGame primeFactors " params[0] < = 2"
Press Q or Ctrl+C to abort.
Affect(class count: 1 , method count: 1) cost in 21 ms, listenerId: 4
timestamp class method total success fail avg-rt(ms) fail-rate
----------------------------------------------------------------------------------------------
2020-09-02 09:41:57 demo.MathGame primeFactors 1 0 1 0.10 100.00%
timestamp class method total success fail avg-rt(ms) fail-rate
----------------------------------------------------------------------------------------------
2020-09-02 09:42:02 demo.MathGame primeFactors 3 0 3 0.06 100.00%
timestamp class method total success fail avg-rt(ms) fail-rate
----------------------------------------------------------------------------------------------
2020-09-02 09:42:07 demo.MathGame primeFactors 2 0 2 0.06 100.00%
timestamp class method total success fail avg-rt(ms) fail-rate
----------------------------------------------------------------------------------------------
2020-09-02 09:42:12 demo.MathGame primeFactors 1 0 1 0.05 100.00%
timestamp class method total success fail avg-rt(ms) fail-rate
----------------------------------------------------------------------------------------------
2020-09-02 09:42:17 demo.MathGame primeFactors 2 0 2 0.10 100.00% < / pre > < / div >
< / div >
< / div >
< / div >
< / div >
hengyunabc
5 years ago