Hi, This patch is based on this branch:
https://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace.git/log/?h=ftrace/core Thanks, Song > On Sep 24, 2018, at 11:26 PM, kbuild test robot <l...@intel.com> wrote: > > Hi Song, > > Thank you for the patch! Yet something to improve: > > [auto build test ERROR on tip/perf/core] > [also build test ERROR on v4.19-rc5 next-20180925] > [if your patch is applied to the wrong git tree, please drop us a note to > help improve the system] > > url: > https://github.com/0day-ci/linux/commits/Song-Liu/trace_uprobe-support-reference-counter-in-fd-based-uprobe/20180925-135454 > config: i386-randconfig-x005-201838 (attached as .config) > compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 > reproduce: > # save the attached .config to linux build tree > make ARCH=i386 > > All errors (new ones prefixed by >>): > > kernel/trace/trace_uprobe.c: In function 'create_local_trace_uprobe': >>> kernel/trace/trace_uprobe.c:1376:4: error: 'struct trace_uprobe' has no >>> member named 'ref_ctr_offset' > tu->ref_ctr_offset = ref_ctr_offset; > ^~ > > vim +1376 kernel/trace/trace_uprobe.c > > 1340 > 1341 #ifdef CONFIG_PERF_EVENTS > 1342 struct trace_event_call * > 1343 create_local_trace_uprobe(char *name, unsigned long offs, > 1344 unsigned long ref_ctr_offset, bool is_return) > 1345 { > 1346 struct trace_uprobe *tu; > 1347 struct path path; > 1348 int ret; > 1349 > 1350 ret = kern_path(name, LOOKUP_FOLLOW, &path); > 1351 if (ret) > 1352 return ERR_PTR(ret); > 1353 > 1354 if (!d_is_reg(path.dentry)) { > 1355 path_put(&path); > 1356 return ERR_PTR(-EINVAL); > 1357 } > 1358 > 1359 /* > 1360 * local trace_kprobes are not added to probe_list, so they are > never > 1361 * searched in find_trace_kprobe(). Therefore, there is no > concern of > 1362 * duplicated name "DUMMY_EVENT" here. > 1363 */ > 1364 tu = alloc_trace_uprobe(UPROBE_EVENT_SYSTEM, "DUMMY_EVENT", 0, > 1365 is_return); > 1366 > 1367 if (IS_ERR(tu)) { > 1368 pr_info("Failed to allocate trace_uprobe.(%d)\n", > 1369 (int)PTR_ERR(tu)); > 1370 path_put(&path); > 1371 return ERR_CAST(tu); > 1372 } > 1373 > 1374 tu->offset = offs; > 1375 tu->path = path; >> 1376 tu->ref_ctr_offset = ref_ctr_offset; > 1377 tu->filename = kstrdup(name, GFP_KERNEL); > 1378 init_trace_event_call(tu, &tu->tp.call); > 1379 > 1380 if (set_print_fmt(&tu->tp, is_ret_probe(tu)) < 0) { > 1381 ret = -ENOMEM; > 1382 goto error; > 1383 } > 1384 > 1385 return &tu->tp.call; > 1386 error: > 1387 free_trace_uprobe(tu); > 1388 return ERR_PTR(ret); > 1389 } > 1390 > > --- > 0-DAY kernel test infrastructure Open Source Technology Center > https://urldefense.proofpoint.com/v2/url?u=https-3A__lists.01.org_pipermail_kbuild-2Dall&d=DwIBAg&c=5VD0RTtNlTh3ycd41b3MUw&r=i6WobKxbeG3slzHSIOxTVtYIJw7qjCE6S0spDTKL-J4&m=3vAXcNkXYHALEVsIZG7-ToPCNADLh0bCVwEpureyaaw&s=eKJR9UoqZ2KCoTN58CznxX7ipOGdcRwG0zWFLsbzHXc&e= > Intel Corporation > <.config.gz>
