1FUNCTION::SPRINT_USY(3stap) Context Functions FUNCTION::SPRINT_USY(3stap)
2
3
4
6 function::sprint_usyms - Return stack for user addresses from string
7
9 sprint_usyms(callers:string)
10
12 callers
13 String with list of hexadecimal (user) addresses
14
16 Perform a symbolic lookup of the addresses in the given string, which
17 are assumed to be the result of a prior calls to ustack, ucallers, and
18 similar functions.
19
20 Returns a simple backtrace from the given hex string. One line per
21 address. Includes the symbol name (or hex address if symbol couldn't be
22 resolved) and module name (if found), as obtained from usymdata.
23 Includes the offset from the start of the function if found, otherwise
24 the offset will be added to the module (if found, between brackets).
25 Returns the backtrace as string (each line terminated by a newline
26 character). Note that the returned stack will be truncated to
27 MAXSTRINGLEN, to print fuller and richer stacks use print_usyms.
28
30 tapset::ucontext-symbols(3stap)
31
32
33
34SystemTap Tapset Reference May 2022 FUNCTION::SPRINT_USY(3stap)