diff --git a/srcxray.py b/srcxray.py
index 7313def..4bfbb7c 100755
--- a/srcxray.py
+++ b/srcxray.py
@@ -42,6 +42,7 @@ import ast
 import xml.etree.ElementTree as ET
 
 default_root = 'starts'
+stop = list()
 ignore = list()
 ignored = set()
 show_ignored = False
@@ -298,6 +299,11 @@ def call_tree(node, printed=None, level=0):
         a = line.split()[1]
         if a in local_printed:
             continue
+        if a in stop:
+            print_limited2((level + 1)*'\t' + a +
+                    (' ^' if a in local_printed else ''))
+            local_printed.add(a)
+            continue
         if a in ignore:
             ignored.add(a)
             if show_ignored:
@@ -1417,6 +1423,12 @@ class _unittest_autotest(unittest.TestCase):
 
 
 def main():
+    global stop
+    try:
+        f = open("stop.txt")
+        stop = f.read().splitlines()
+    except FileNotFoundError:
+        pass
     global ignore
     try:
         f = open("ignore.txt")
diff --git a/stop.txt b/stop.txt
index 9c0eb3f..1cce430 100644
--- a/stop.txt
+++ b/stop.txt
@@ -1 +1,114 @@
+DECLARE_WAITQUEUE
+kcalloc
+DECLARE_COMPLETION_ONSTACK
+__copy_to_user
+copy_from_user
+transfer
+copy_to_user
+connect
+do_tmpfile
+path_init
+IS_ALIGNED
+LIST_HEAD
+NIT_WORK
+__devm_request_region
+__irq_set_trigger
+__request_region
+activate
+atomic_add_unless
+atomic_dec_and_test
+atomic_inc
+atomic_inc_not_zero
+bus_get
+bus_remove_driver
+clk_disable_unprepare
+clk_get
+clk_prepare_enable
+clk_put
+clk_set_rate
+current_cred
+dev_name
+device_initialize
+devm_ioremap
+devm_pinctrl_get
+devm_request_irq
+devm_request_mem_region
+dma_cache_sync
+dma_init
+dma_map_single
+dma_mapping_error
+dma_unmap_single
+driver_find
 enqueue
+fls
+get_device
+get_local_resources
+get_task_struct
+handler
+ioremap
+iosapic_write
+irq_set_type
+kfree_skb_list
+kmem_cache_alloc
+kset_find_obj
+kthread_create
+mask_irq
+msecs_to_jiffies
+msm_spi_clk_max_rate
+of_get_named_gpio
+of_irq_get_byname
+of_irq_parse_one
+of_property_read_bool
+of_property_read_u32
+of_spi_register_master
+pinctrl_lookup_state
+platform_get_irq
+platform_get_irq
+platform_get_irq_byname
+platform_get_resource
+pm_request_idle
+pm_runtime_get_sync
+pm_runtime_put_sync
+pm_runtime_set_autosuspend_delay
+pm_runtime_set_suspended
+poweroff
+qdisc_calculate_pkt_len
+reset
+rpm_idle
+sb_permission
+sched_set_fifo
+set_bit
+setup_irq_thread
+spin_lock_nested
+strcpy
+try_module_get
+unmask_irq
+update_autosuspend
+usleep_range
+writel_relaxed
+security_socket_connect
+f
+INDIRECT_CALL_INET
+fput_many
+get_fs
+create
+security_socket_create
+request_module
+rcu_dereference
+module_put
+security_socket_post_create
+sock_release
+alloc_fd
+get_next_ino
+rcu_access_pointer
+disconnect
+lock_sock_nested
+release_sock
+DEFINE_EVENT_PRINT
+DECLARE_EVENT_CLASS
+__dynamic_array
+DEFINE_EVENT_CONDITION
+__assign_str
+skb_peek_tail
+sock_zerocopy_realloc
+msg_zerocopy_realloc