litmus-rt.git - The LITMUS^RT kernel.

The LITMUS^RT kernel.

Bjoern Brandenburg

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path: root/tools/perf/scripts/python/Perf-Trace-Util

	Commit message (Expand)	Author	Age
*	perf script python: Correct handler check and spelling errors	Feng Tang	2012-08-09
*	perf scripts python: Add a python library EventClass.py	Feng Tang	2012-08-08
*	perf script: Finish the rename from trace to script	Arnaldo Carvalho de Melo	2010-12-25
*	perf: Rename 'perf trace' to 'perf script'	Ingo Molnar	2010-11-16
*	perf python scripting: Add futex-contention script	Arnaldo Carvalho de Melo	2010-10-26
*	perf python scripting: Support fedora 11 (audit 1.7.17)	Arnaldo Carvalho de Melo	2010-10-25
*	perf python scripting: Improve the failed-syscalls-by-pid script	Arnaldo Carvalho de Melo	2010-10-25
*	perf, sched migration: Librarize task states and event headers helpers	Frederic Weisbecker	2010-08-01
*	perf, sched migration: Librarize the GUI class	Frederic Weisbecker	2010-08-01
*	perf trace/scripting: Add rwtop and sctop scripts	Tom Zanussi	2010-04-14
*	perf/scripts: Add Python scripting engine	Tom Zanussi	2010-02-24

pan class="hl opt">*); ssize_t (*store)(struct mapped_device *, char *); }; #define DM_ATTR_RO(_name) \ struct dm_sysfs_attr dm_attr_##_name = \ __ATTR(_name, S_IRUGO, dm_attr_##_name##_show, NULL) static ssize_t dm_attr_show(struct kobject *kobj, struct attribute *attr, char *page) { struct dm_sysfs_attr *dm_attr; struct mapped_device *md; ssize_t ret; dm_attr = container_of(attr, struct dm_sysfs_attr, attr); if (!dm_attr->show) return -EIO; md = dm_get_from_kobject(kobj); if (!md) return -EINVAL; ret = dm_attr->show(md, page); dm_put(md); return ret; } static ssize_t dm_attr_name_show(struct mapped_device *md, char *buf) { if (dm_copy_name_and_uuid(md, buf, NULL)) return -EIO; strcat(buf, "\n"); return strlen(buf); } static ssize_t dm_attr_uuid_show(struct mapped_device *md, char *buf) { if (dm_copy_name_and_uuid(md, NULL, buf)) return -EIO; strcat(buf, "\n"); return strlen(buf); } static ssize_t dm_attr_suspended_show(struct mapped_device *md, char *buf) { sprintf(buf, "%d\n", dm_suspended(md)); return strlen(buf); } static DM_ATTR_RO(name); static DM_ATTR_RO(uuid); static DM_ATTR_RO(suspended); static struct attribute *dm_attrs[] = { &dm_attr_name.attr, &dm_attr_uuid.attr, &dm_attr_suspended.attr, NULL, }; static struct sysfs_ops dm_sysfs_ops = { .show = dm_attr_show, }; /* * dm kobject is embedded in mapped_device structure * no need to define release function here */ static struct kobj_type dm_ktype = { .sysfs_ops = &dm_sysfs_ops, .default_attrs = dm_attrs, }; /* * Initialize kobj * because nobody using md yet, no need to call explicit dm_get/put */ int dm_sysfs_init(struct mapped_device *md) { return kobject_init_and_add(dm_kobject(md), &dm_ktype, &disk_to_dev(dm_disk(md))->kobj, "%s", "dm"); } /* * Remove kobj, called after all references removed */ void dm_sysfs_exit(struct mapped_device *md) { kobject_put(dm_kobject(md)); }