diff options
Diffstat (limited to 'plugins/api.c')
| -rw-r--r-- | plugins/api.c | 56 |
1 files changed, 45 insertions, 11 deletions
diff --git a/plugins/api.c b/plugins/api.c index bbdc5a4eb4..0b04380d57 100644 --- a/plugins/api.c +++ b/plugins/api.c @@ -84,15 +84,19 @@ void qemu_plugin_register_vcpu_tb_exec_cb(struct qemu_plugin_tb *tb, enum qemu_plugin_cb_flags flags, void *udata) { - plugin_register_dyn_cb__udata(&tb->cbs[PLUGIN_CB_REGULAR], - cb, flags, udata); + if (!tb->mem_only) { + plugin_register_dyn_cb__udata(&tb->cbs[PLUGIN_CB_REGULAR], + cb, flags, udata); + } } void qemu_plugin_register_vcpu_tb_exec_inline(struct qemu_plugin_tb *tb, enum qemu_plugin_op op, void *ptr, uint64_t imm) { - plugin_register_inline_op(&tb->cbs[PLUGIN_CB_INLINE], 0, op, ptr, imm); + if (!tb->mem_only) { + plugin_register_inline_op(&tb->cbs[PLUGIN_CB_INLINE], 0, op, ptr, imm); + } } void qemu_plugin_register_vcpu_insn_exec_cb(struct qemu_plugin_insn *insn, @@ -100,20 +104,27 @@ void qemu_plugin_register_vcpu_insn_exec_cb(struct qemu_plugin_insn *insn, enum qemu_plugin_cb_flags flags, void *udata) { - plugin_register_dyn_cb__udata(&insn->cbs[PLUGIN_CB_INSN][PLUGIN_CB_REGULAR], - cb, flags, udata); + if (!insn->mem_only) { + plugin_register_dyn_cb__udata(&insn->cbs[PLUGIN_CB_INSN][PLUGIN_CB_REGULAR], + cb, flags, udata); + } } void qemu_plugin_register_vcpu_insn_exec_inline(struct qemu_plugin_insn *insn, enum qemu_plugin_op op, void *ptr, uint64_t imm) { - plugin_register_inline_op(&insn->cbs[PLUGIN_CB_INSN][PLUGIN_CB_INLINE], - 0, op, ptr, imm); + if (!insn->mem_only) { + plugin_register_inline_op(&insn->cbs[PLUGIN_CB_INSN][PLUGIN_CB_INLINE], + 0, op, ptr, imm); + } } - +/* + * We always plant memory instrumentation because they don't finalise until + * after the operation has complete. + */ void qemu_plugin_register_vcpu_mem_cb(struct qemu_plugin_insn *insn, qemu_plugin_vcpu_mem_cb_t cb, enum qemu_plugin_cb_flags flags, @@ -121,7 +132,7 @@ void qemu_plugin_register_vcpu_mem_cb(struct qemu_plugin_insn *insn, void *udata) { plugin_register_vcpu_mem_cb(&insn->cbs[PLUGIN_CB_MEM][PLUGIN_CB_REGULAR], - cb, flags, rw, udata); + cb, flags, rw, udata); } void qemu_plugin_register_vcpu_mem_inline(struct qemu_plugin_insn *insn, @@ -130,7 +141,7 @@ void qemu_plugin_register_vcpu_mem_inline(struct qemu_plugin_insn *insn, uint64_t imm) { plugin_register_inline_op(&insn->cbs[PLUGIN_CB_MEM][PLUGIN_CB_INLINE], - rw, op, ptr, imm); + rw, op, ptr, imm); } void qemu_plugin_register_vcpu_tb_trans_cb(qemu_plugin_id_t id, @@ -181,10 +192,13 @@ uint64_t qemu_plugin_tb_vaddr(const struct qemu_plugin_tb *tb) struct qemu_plugin_insn * qemu_plugin_tb_get_insn(const struct qemu_plugin_tb *tb, size_t idx) { + struct qemu_plugin_insn *insn; if (unlikely(idx >= tb->n)) { return NULL; } - return g_ptr_array_index(tb->insns, idx); + insn = g_ptr_array_index(tb->insns, idx); + insn->mem_only = tb->mem_only; + return insn; } /* @@ -303,6 +317,26 @@ uint64_t qemu_plugin_hwaddr_device_offset(const struct qemu_plugin_hwaddr *haddr return 0; } +const char *qemu_plugin_hwaddr_device_name(const struct qemu_plugin_hwaddr *h) +{ +#ifdef CONFIG_SOFTMMU + if (h && h->is_io) { + MemoryRegionSection *mrs = h->v.io.section; + if (!mrs->mr->name) { + unsigned long maddr = 0xffffffff & (uintptr_t) mrs->mr; + g_autofree char *temp = g_strdup_printf("anon%08lx", maddr); + return g_intern_string(temp); + } else { + return g_intern_string(mrs->mr->name); + } + } else { + return g_intern_static_string("RAM"); + } +#else + return g_intern_static_string("Invalid"); +#endif +} + /* * Queries to the number and potential maximum number of vCPUs there * will be. This helps the plugin dimension per-vcpu arrays. |