147
148 private static String parseFileName(String opt) {
149 // opt starts with "file="
150 if (opt.length() > 5) {
151 // pass whole "file=" string
152 String filename = opt.substring(5);
153 try {
154 // Get the canonical path - important to avoid just
155 // passing a "heap.bin" and having the dump created
156 // in the target VM working directory rather than the
157 // directory where jmap is executed.
158 return new File(filename).getCanonicalPath();
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 {
223
224 String subopts[] = options.split(",");
225 String filename = null;
226 String liveopt = "-all";
227
228 for (int i = 0; i < subopts.length; i++) {
229 String subopt = subopts[i];
230 if (subopt.equals("live")) {
231 liveopt = "-live";
232 } else if (subopt.startsWith("file=")) {
233 filename = parseFileName(subopt);
234 }
235 }
236
237 if (filename == null) {
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147
148 private static String parseFileName(String opt) {
149 // opt starts with "file="
150 if (opt.length() > 5) {
151 // pass whole "file=" string
152 String filename = opt.substring(5);
153 try {
154 // Get the canonical path - important to avoid just
155 // passing a "heap.bin" and having the dump created
156 // in the target VM working directory rather than the
157 // directory where jmap is executed.
158 return new File(filename).getCanonicalPath();
159 } catch (IOException ioe) {
160 return null;
161 }
162 }
163 // no filename
164 return null;
165 }
166
167 private static void histo(String pid, String options)
168 throws AttachNotSupportedException, IOException,
169 UnsupportedEncodingException {
170 String liveopt = "-all";
171 String filename = null;
172 String parallel = null;
173 String subopts[] = options.split(",");
174 boolean set_all = false;
175 boolean set_live = false;
176
177 for (int i = 0; i < subopts.length; i++) {
178 String subopt = subopts[i];
179 if (subopt.equals("") || subopt.equals("all")) {
180 set_all = true;
181 liveopt = "-all";
182 } else if (subopt.equals("live")) {
183 // Add '-' for compatibility.
184 set_live = true;
185 liveopt = "-live";
186 } else if (subopt.startsWith("file=")) {
187 filename = parseFileName(subopt);
188 if (filename == null) {
189 usage(1); // invalid options or no filename
190 }
191 } else if (subopt.startsWith("parallel=")) {
192 parallel = subopt.substring("parallel=".length());
193 if (parallel == null) {
194 usage(1);
195 }
196 } else {
197 usage(1);
198 }
199 }
200 if (set_live && set_all) {
201 usage(1);
202 }
203
204 System.out.flush();
205 // inspectHeap is not the same as jcmd GC.class_histogram
206 executeCommandForPid(pid, "inspectheap", liveopt, filename, parallel);
207 }
208
209 private static void dump(String pid, String options)
210 throws AttachNotSupportedException, IOException,
211 UnsupportedEncodingException {
212
213 String subopts[] = options.split(",");
214 String filename = null;
215 String liveopt = "-all";
216
217 for (int i = 0; i < subopts.length; i++) {
218 String subopt = subopts[i];
219 if (subopt.equals("live")) {
220 liveopt = "-live";
221 } else if (subopt.startsWith("file=")) {
222 filename = parseFileName(subopt);
223 }
224 }
225
226 if (filename == null) {
|