159 } catch (IOException ioe) {
160 return null;
161 }
162 }
163 // no filename
164 return null;
165 }
166
167 private static String add_option(String cmd, String opt) {
168 if (cmd.isEmpty()) {
169 return opt;
170 }
171 return cmd + "," + opt;
172 }
173
174 private static void histo(String pid, String options)
175 throws AttachNotSupportedException, IOException,
176 UnsupportedEncodingException {
177 String liveopt = "-all";
178 String filename = null;
179 String parallelthreadnum = null;
180 String subopts[] = options.split(",");
181 boolean set_all = false;
182 boolean set_live = false;
183 String cmdline = "";
184
185 for (int i = 0; i < subopts.length; i++) {
186 String subopt = subopts[i];
187 if (subopt.equals("") || subopt.equals("all")) {
188 cmdline = add_option(cmdline, "-all");
189 set_all = true;
190 } else if (subopt.equals("live")) {
191 // Add '-' for compatibility.
192 cmdline = add_option(cmdline, "-live");
193 set_live = true;
194 } else if (subopt.startsWith("file=")) {
195 filename = parseFileName(subopt);
196 if (filename == null) {
197 usage(1); // invalid options or no filename
198 }
199 cmdline = add_option(cmdline, filename);
200 } else if (subopt.startsWith("parallelThreadNum=")) {
201 parallelthreadnum = subopt.substring(19);
202 if (parallelthreadnum == null) {
203 usage(1);
204 }
205 // Add "parallelThreadsNum=<>" for later check
206 cmdline = add_option(cmdline, subopt);
207 } else {
208 usage(1);
209 }
210 }
211 if (set_live && set_all) {
212 usage(1);
213 }
214
215 System.out.flush();
216 // inspectHeap is not the same as jcmd GC.class_histogram
217 executeCommandForPid(pid, "inspectheap", cmdline);
218 }
219
220 private static void dump(String pid, String options)
221 throws AttachNotSupportedException, IOException,
222 UnsupportedEncodingException {
294 System.err.println(" to connect to running process and print information on objects awaiting finalization");
295 System.err.println(" jmap -histo[:[<histo-options>]] <pid>");
296 System.err.println(" to connect to running process and print histogram of java object heap");
297 System.err.println(" jmap -dump:<dump-options> <pid>");
298 System.err.println(" to connect to running process and dump java heap");
299 System.err.println(" jmap -? -h --help");
300 System.err.println(" to print this help message");
301 System.err.println("");
302 System.err.println(" dump-options:");
303 System.err.println(" live dump only live objects");
304 System.err.println(" all dump all objects in the heap (default if one of \"live\" or \"all\" is not specified");
305 System.err.println(" format=b binary format");
306 System.err.println(" file=<file> dump heap to <file>");
307 System.err.println("");
308 System.err.println(" Example: jmap -dump:live,format=b,file=heap.bin <pid>");
309 System.err.println("");
310 System.err.println(" histo-options:");
311 System.err.println(" live count only live objects");
312 System.err.println(" all count all objects in the heap (default if one of \"live\" or \"all\" is not specified)");
313 System.err.println(" file=<file> dump data to <file>");
314 System.err.println(" parallelThreadNum=<number> parallel threads number for heap iteration:");
315 System.err.println(" parallelThreadNum=0 default behavior, use predefined number of threads");
316 System.err.println(" parallelThreadNum=1 disable parallel heap iteration");
317 System.err.println(" parallelThreadNum=<N> use N threads for parallel heap iteration");
318 System.err.println("");
319 System.err.println(" Example: jmap -histo:live,file=/tmp/histo.data <pid>");
320 System.exit(exit);
321 }
322 }
|
159 } catch (IOException ioe) {
160 return null;
161 }
162 }
163 // no filename
164 return null;
165 }
166
167 private static String add_option(String cmd, String opt) {
168 if (cmd.isEmpty()) {
169 return opt;
170 }
171 return cmd + "," + opt;
172 }
173
174 private static void histo(String pid, String options)
175 throws AttachNotSupportedException, IOException,
176 UnsupportedEncodingException {
177 String liveopt = "-all";
178 String filename = null;
179 String parallel = null;
180 String subopts[] = options.split(",");
181 boolean set_all = false;
182 boolean set_live = false;
183 String cmdline = "";
184
185 for (int i = 0; i < subopts.length; i++) {
186 String subopt = subopts[i];
187 if (subopt.equals("") || subopt.equals("all")) {
188 cmdline = add_option(cmdline, "-all");
189 set_all = true;
190 } else if (subopt.equals("live")) {
191 // Add '-' for compatibility.
192 cmdline = add_option(cmdline, "-live");
193 set_live = true;
194 } else if (subopt.startsWith("file=")) {
195 filename = parseFileName(subopt);
196 if (filename == null) {
197 usage(1); // invalid options or no filename
198 }
199 cmdline = add_option(cmdline, filename);
200 } else if (subopt.startsWith("parallel=")) {
201 parallel = subopt.substring("parallel=".length());
202 if (parallel == null) {
203 usage(1);
204 }
205 // Add "parallelThreadsNum=<>" for later check
206 cmdline = add_option(cmdline, subopt);
207 } else {
208 usage(1);
209 }
210 }
211 if (set_live && set_all) {
212 usage(1);
213 }
214
215 System.out.flush();
216 // inspectHeap is not the same as jcmd GC.class_histogram
217 executeCommandForPid(pid, "inspectheap", cmdline);
218 }
219
220 private static void dump(String pid, String options)
221 throws AttachNotSupportedException, IOException,
222 UnsupportedEncodingException {
294 System.err.println(" to connect to running process and print information on objects awaiting finalization");
295 System.err.println(" jmap -histo[:[<histo-options>]] <pid>");
296 System.err.println(" to connect to running process and print histogram of java object heap");
297 System.err.println(" jmap -dump:<dump-options> <pid>");
298 System.err.println(" to connect to running process and dump java heap");
299 System.err.println(" jmap -? -h --help");
300 System.err.println(" to print this help message");
301 System.err.println("");
302 System.err.println(" dump-options:");
303 System.err.println(" live dump only live objects");
304 System.err.println(" all dump all objects in the heap (default if one of \"live\" or \"all\" is not specified");
305 System.err.println(" format=b binary format");
306 System.err.println(" file=<file> dump heap to <file>");
307 System.err.println("");
308 System.err.println(" Example: jmap -dump:live,format=b,file=heap.bin <pid>");
309 System.err.println("");
310 System.err.println(" histo-options:");
311 System.err.println(" live count only live objects");
312 System.err.println(" all count all objects in the heap (default if one of \"live\" or \"all\" is not specified)");
313 System.err.println(" file=<file> dump data to <file>");
314 System.err.println(" parallel=<number> parallel threads number for heap iteration:");
315 System.err.println(" parallel=0 default behavior, use predefined number of threads");
316 System.err.println(" parallel=1 disable parallel heap iteration");
317 System.err.println(" parallel=<N> use N threads for parallel heap iteration");
318 System.err.println("");
319 System.err.println(" Example: jmap -histo:live,file=/tmp/histo.data <pid>");
320 System.exit(exit);
321 }
322 }
|